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Potassium persulfate

Potassium persulfate is a chemical compound with the formula K2S2O8.
It is a powerful oxidizing agent used in a variety of industrial and laboratory applications, such as initiating polymerization reactions, bleaching, and etching.
Potassium persulfate is also employed as an analytical reagent and in the treatment of certain medical conditions.
Its diverse uses make it an important chemical for researchers across multiple disciplines.
This MeSH term provides a concis, informative overview of potassium persulfate and its applications.

Most cited protocols related to «Potassium persulfate»

1
Comprehensive Antioxidant and Enzyme Inhibitory Assays
Cited 78 times
Antioxidant (DPPH and ABTS radical scavenging, reducing power (CUPRAC and FRAP), phosphomolybdenum, and metal chelating (ferrozine method)) and enzyme inhibitory activities [cholinesterase (ChE) Elmann’s method], tyrosinase (dopachrome method), α-amylase (iodine/potassium iodide method), and α -glucosidase (chromogenic PNPG method)) were determined using the methods previously described by Zengin et al. (2014) (link) and Dezsi et al. (2015) (link).
For the DPPH (1,1-diphenyl-2-picrylhydrazyl) radical scavenging assay: Sample solution (1 mg/mL; 1 mL) was added to 4 mL of a 0.004% methanol solution of DPPH. The sample absorbance was read at 517 nm after a 30 min incubation at room temperature in the dark. DPPH radical scavenging activity was expressed as millimoles of trolox equivalents (mg TE/g extract).
For ABTS (2,2′-azino-bis(3-ethylbenzothiazoline) 6-sulfonic acid) radical scavenging assay: Briefly, ABTS+ was produced directly by reacting 7 mM ABTS solution with 2.45 mM potassium persulfate and allowing the mixture to stand for 12–16 in the dark at room temperature. Prior to beginning the assay, ABTS solution was diluted with methanol to an absorbance of 0.700 ± 0.02 at 734 nm. Sample solution (1 mg/mL; 1 mL) was added to ABTS solution (2 mL) and mixed. The sample absorbance was read at 734 nm after a 30 min incubation at room temperature. The ABTS radical scavenging activity was expressed as millimoles of trolox equivalents (mmol TE/g extract) (Mocan et al., 2016a (link)).
For CUPRAC (cupric ion reducing activity) activity assay: Sample solution (1 mg/mL; 0.5 mL) was added to premixed reaction mixture containing CuCl2 (1 mL, 10 mM), neocuproine (1 mL, 7.5 mM) and NH4Ac buffer (1 mL, 1 M, pH 7.0). Similarly, a blank was prepared by adding sample solution (0.5 mL) to premixed reaction mixture (3 mL) without CuCl2. Then, the sample and blank absorbances were read at 450 nm after a 30 min incubation at room temperature. The absorbance of the blank was subtracted from that of the sample. CUPRAC activity was expressed as milligrams of trolox equivalents (mg TE/g extract).
For FRAP (ferric reducing antioxidant power) activity assay: Sample solution (1 mg/mL; 0.1 mL) was added to premixed FRAP reagent (2 mL) containing acetate buffer (0.3 M, pH 3.6), 2,4,6-tris(2-pyridyl)-S-triazine (TPTZ) (10 mM) in 40 mM HCl and ferric chloride (20 mM) in a ratio of 10:1:1 (v/v/v). Then, the sample absorbance was read at 593 nm after a 30 min incubation at room temperature. FRAP activity was expressed as milligrams of trolox equivalents (mg TE/g extract).
For phosphomolybdenum method: Sample solution (1 mg/mL; 0.3 mL) was combined with 3 mL of reagent solution (0.6 M sulfuric acid, 28 mM sodium phosphate and 4 mM ammonium molybdate). The sample absorbance was read at 695 nm after a 90 min incubation at 95°C. The total antioxidant capacity was expressed as millimoles of trolox equivalents (mmol TE/g extract) (Mocan et al., 2016c (link)).
For metal chelating activity assay: Briefly, sample solution (1 mg/mL; 2 mL) was added to FeCl2 solution (0.05 mL, 2 mM). The reaction was initiated by the addition of 5 mM ferrozine (0.2 mL). Similarly, a blank was prepared by adding sample solution (2 mL) to FeCl2 solution (0.05 mL, 2 mM) and water (0.2 mL) without ferrozine. Then, the sample and blank absorbances were read at 562 nm after 10 min incubation at room temperature. The absorbance of the blank was sub-tracted from that of the sample. The metal chelating activity was expressed as milligrams of EDTA (disodium edetate) equivalents (mg EDTAE/g extract).
For ChE inhibitory activity assay: Sample solution (1 mg/mL; 50 μL) was mixed with DTNB (5,5-dithio-bis(2-nitrobenzoic) acid, Sigma, St. Louis, MO, United States) (125 μL) and AChE [acetylcholines-terase (Electric ell AChE, Type-VI-S, EC 3.1.1.7, Sigma)], or BChE [BChE (horse serum BChE, EC 3.1.1.8, Sigma)] solution (25 μL) in Tris–HCl buffer (pH 8.0) in a 96-well microplate and incubated for 15 min at 25°C. The reaction was then initiated with the addition of acetylthiocholine iodide (ATCI, Sigma) or butyrylthiocholine chloride (BTCl, Sigma) (25 μL). Similarly, a blank was prepared by adding sample solution to all reaction reagents without enzyme (AChE or BChE) solution. The sample and blank absorbances were read at 405 nm after 10 min incubation at 25°C. The absorbance of the blank was subtracted from that of the sample and the cholinesterase inhibitory activity was expressed as galanthamine equivalents (mgGALAE/g extract) (Mocan et al., 2016b (link)).
For Tyrosinase inhibitory activity assay: Sample solution (1 mg/mL; 25 μL) was mixed with tyrosinase solution (40 μL, Sigma) and phosphate buffer (100 μL, pH 6.8) in a 96-well microplate and incubated for 15 min at 25°C. The reaction was then initiated with the addition of L-DOPA (40 μL, Sigma). Similarly, a blank was prepared by adding sample solution to all reaction reagents without enzyme (tyrosinase) solution. The sample and blank absorbances were read at 492 nm after a 10 min incubation at 25°C. The absorbance of the blank was subtracted from that of the sample and the tyrosinase inhibitory activity was expressed as kojic acid equivalents (mgKAE/g extract) (Mocan et al., 2017 (link)).
For α-amylase inhibitory activity assay: Sample solution (1 mg/mL; 25 μL) was mixed with α-amylase solution (ex-porcine pancreas, EC 3.2.1.1, Sigma) (50 μL) in phosphate buffer (pH 6.9 with 6 mM sodium chloride) in a 96-well microplate and incubated for 10 min at 37°C. After pre-incubation, the reaction was initiated with the addition of starch solution (50 μL, 0.05%). Similarly, a blank was prepared by adding sample solution to all reaction reagents without enzyme (α-amylase) solution. The reaction mixture was incubated 10 min at 37°C. The reaction was then stopped with the addition of HCl (25 μL, 1 M). This was followed by addition of the iodine-potassium iodide solution (100 μL). The sample and blank absorbances were read at 630 nm. The absorbance of the blank was subtracted from that of the sample and the α-amylase inhibitory activity was expressed as acarbose equivalents (mmol ACE/g extract) (Savran et al., 2016 (link)).
For α-glucosidase inhibitory activity assay: Sample solution (1 mg/mL; 50 μL) was mixed with glutathione (50 μL), α-glucosidase solution (from Saccharomyces cerevisiae, EC 3.2.1.20, Sigma) (50 μL) in phosphate buffer (pH 6.8) and PNPG (4-N-trophenyl-α-D-glucopyranoside, Sigma) (50 μL) in a 96-well microplate and incubated for 15 min at 37°C. Similarly, a blank was prepared by adding sample solution to all reaction reagents without enzyme (α-glucosidase) solution. The reaction was then stopped with the addition of sodium carbonate (50 μL, 0.2 M). The sample and blank absorbances were read at 400 nm. The absorbance of the blank was subtracted from that of the sample and the α-glucosidase inhibitory activity was expressed as acarbose equivalents (mmol ACE/g extract) (Llorent-Martínez et al., 2016 (link)).
All the assays were carried out in triplicate. The results are expressed as mean values and standard deviation (SD). The differences between the different extracts were analyzed using one-way analysis of variance (ANOVA) followed by Tukey’s honestly significant difference post hoc test with α = 0.05. This treatment was carried out using SPSS v. 14.0 program.
Uysal S., Zengin G., Locatelli M., Bahadori M.B., Mocan A., Bellagamba G., De Luca E., Mollica A, & Aktumsek A. (2017). Cytotoxic and Enzyme Inhibitory Potential of Two Potentilla species (P. speciosa L. and P. reptans Willd.) and Their Chemical Composition. Frontiers in Pharmacology, 8, 290.
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Publication 2017
2
ABTS Radical Cation Scavenging Assay
Cited 16 times
The ability of the test sample to scavenge ABTS.+ radical cation was compared to trolox standard [9 (link)]. The ABTS.+ radical cation was pregenerated by mixing 7 mM ABTS stock solution with 2.45 mM potassium persulfate (final concentration) and incubating for 12–16 h in the dark at room temperature until the reaction was complete and the absorbance was stable. The absorbance of the ABTS.+ solution was equilibrated to 0.70 (± 0.02) by diluting with water at room temperature, then 1 ml was mixed with 10 μl of the test sample (0.05–10 mg/ml) and the absorbance was measured at 734 nm after 6 min. All experiments were repeated six times. The percentage inhibition of absorbance was calculated and plotted as a function of the concentration of standard and sample to determine the trolox equivalent antioxidant concentration (TEAC). To calculate the TEAC, the gradient of the plot for the sample was divided by the gradient of the plot for trolox.
Hazra B., Biswas S, & Mandal N. (2008). Antioxidant and free radical scavenging activity of Spondias pinnata. BMC Complementary and Alternative Medicine, 8, 63.
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Publication 2008
2,2'-azino-di-(3-ethylbenzothiazoline)-6-sulfonic acid Antioxidants Aptitude Tests potassium persulfate Psychological Inhibition Trolox C
3
ABTS Radical Scavenging Assay for Antioxidant Capacity
Cited 15 times

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Publication 2004
2,2'-azino-di-(3-ethylbenzothiazoline)-6-sulfonic acid Antioxidants Ethanol Plants potassium persulfate Psychological Inhibition Trolox C
4
Hair Cortisol Analysis: Chemical and Shampoo Effects
Cited 12 times
After obtaining institutional review board approval and subject consent, human hair was cut from non-pregnant and pregnant females, and from males. All subjects denied any type of chemical processing of their hair in the past year. Subject demographics included age, gender, race/ethnicity, medication and tobacco use and hair hygiene (frequency of shampooing, use of heat treatments).
Hair was cut from the posterior vertex region as close to the scalp as possible using scissors or thinning shears. Hair length was recorded and proximal ends of the hair samples were marked. Hair samples were stored in aluminum foil for protection as recommended [18 (link)]. All hair samples were divided into a minimum of two clusters to a maximum of six clusters of full-length hair. If hair was longer than 5 cm, the strands were divided at 5 cm from the scalp and only the proximal segment used for analysis. For experiment 1, clusters of hair were exposed to various common products used for chemical processing. One cluster was set aside from each subject and used as the “native” hair cluster, to which all other clusters were compared. The other clusters were exposed to one or more of seven hair treatments (depending on the number of available hair clusters): potassium persulfate (bleach), <2% peroxide (H2O2), (demi-perm or semi-permanent colour), 6% H2O2, 9% H2O2 or 12% H2O2. All peroxide treatments also contained ammonia. A licensed cosmetologist (AG) instructed the first author (CH) on standard salon procedures using Wella Koleston Perfect© and Wella Color Touch© (Wella Professionals, Procter & Gamble, USA) products prior to processing hair samples.
For Experiment 2, a variety of common commercially available shampoos, to represent the assortment of shampoos by cost, hair texture, and popularity used commonly by our subjects, were used to wash hair samples from untreated clusters described previously. Hair samples were placed in individual 15 ml conical centrifuge tubes with shampoo diluted 5-fold. Each tube was vigorously shaken for 5-10 seconds. The hair was removed from the tube and placed under a running stream of deionized water for 5 seconds to rinse the hair after each wash step. Hair samples were washed either 15 or 30 times with the same hair product for comparison to native hair.
Following either chemical treatment or shampoo, each cluster from Experiments 1 and 2 was washed three times in isopropanol and dried as previously described [3 (link)]. After washing, drying, and weighing, the hair was ground in 2 ml cryovials (Wheaton, Millville, NJ, USA) using a ball mill (Retsch, Haan, Germany) that held the cryovial and sample as well as a 3/16 inch stainless steel ball bearing in specially milled aluminum cassettes holding three cryovials. The cassette containing the cryotubes was immersed in liquid nitrogen to snap freeze the hair prior to grinding to facilitate the process. Samples were ground for approximately 5 min. The powdered hair (5-10 mg) was extracted in the same cryovial in HPLC grade methanol at room temperature for 24 hours with slow shaking. Following extraction, the cryovial was spun for 120 s in a microcentrifuge at 20000 g and 200 μl supernatant was removed, placed into a second microcentrifuge tube and dried for 24 hr under a hood. The dried extract was then reconstituted in 133 μl of assay buffer and cortisol levels determined using a commercial high sensitivity EIA kit (Salimetrics LLC, State College, PA, USA) according to manufacturer's directions. A pooled control consisting of previously ground hair was extracted and run on each EIA plate for determination of inter-assay coefficients of variation. Inter-assay coefficient of variation (CV) for the control hair pool was 11.6% and intra-assay CV was 1.9%.
Statistical analyses applied paired t-tests comparing native to chemically processed and shampooed hair from the same individual. Pearson correlations evaluated unprocessed hair cortisol levels versus the matching chemically processed hair cortisol levels. Age, sex, race/ethnicity and tobacco status were also assessed using ANOVA. All analyses were performed using Prism (GraphPad Software, Inc., San Diego, CA).
Hoffman M.C., Karban L.V., Benitez P., Goodteacher A, & Laudenslager M.L. (2014). Chemical processing and shampooing impact cortisol measured in human hair. Clinical and investigative medicine. Medecine clinique et experimentale, 37(4), E252-E257.
Publication 2014
5
ABTS Radical Scavenging Assay
Cited 10 times
For ABTS assay, the procedure followed the method of Arnao et al.[18 ] with some modifications. The stock solutions included 7 mM ABTS solution and 2.4 mM potassium persulfate solution. The working solution was then prepared by mixing the two stock solutions in equal quantities and allowing them to react for 14 h at room temperature in the dark. The solution was then diluted by mixing 1 ml ABTS solution with 60 ml methanol to obtain an absorbance of 0.706 ± 0.01 units at 734 nm using a spectrophotometer. Fresh ABTS solution was prepared for each assay. Plant extracts (1 ml) were allowed to react with 1 ml of the ABTS solution and the absorbance was taken at 734 nm after 7 min using a spectrophotometer. The ABTS scavenging capacity of the extract was compared with that of BHT and ascorbic acid and percentage inhibition calculated as ABTS radical scavenging activity (%)=Abscontrol-AbssampleAbscontrol where Abscontrol is the absorbance of ABTS radical in methanol; Abssample is the absorbance of ABTS radical solution mixed with sample extract/standard. All determinations were performed in triplicate (n = 3).
Zheleva-Dimitrova D., Nedialkov P, & Kitanov G. (2010). Radical scavenging and antioxidant activities of methanolic extracts from Hypericum species growing in Bulgaria. Pharmacognosy Magazine, 6(22), 74-78.
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Publication 2010
2,2'-azino-di-(3-ethylbenzothiazoline)-6-sulfonic acid Ascorbic Acid Biological Assay Methanol Plant Extracts potassium persulfate Psychological Inhibition

Most recents protocols related to «Potassium persulfate»

1
Pickering Emulsion-Guided Aniline Polymerization
The water phase (2 mL) was an aqueous dispersion of varying wt% (0.025 and 0.075) of Sm2S3, while the oil phase (2 mL) was toluene-containing aniline. To produce a Pickering emulsion, the two phases were combined and homogenised for 2 min at 500 rpm using a homogenizer. The prepared emulsion was submerged in ice water for about half an hour. Similarly, in separate systems, a certain amount of potassium persulfate (potassium persulfate/aniline = 1 : 1) was immersed in a 1 mol L−1 HCl solution and left in an ice bath for half an hour. Thereafter, potassium persulfate solution was added subsequently in to the emulsion. To assure the complete polymerization of aniline, the mixture was stirred at an ice water bath for 6 h. The necessary product was separated using centrifugation at a speed of 4000 rpm for 15 min.
For comparison, another set of polymerisation was carried out by the direct addition of acidic potassium persulfate to aniline instead of the introduction of Sm2S3-stabilised pickering emulsion.
Rahaman S.M., Khatun N., Pal P., Mandal T., Patra A., Nandi M, & Saha B. (2024). A deeper insight into the evaluation of water-in-oil amicroemulsion templated samarium sulfide nanospheres: exploring its role in pickering emulsion formulation for photocatalytic dye degradation and synthesis of PANI@Sm2S3 nanocomposites. Nanoscale Advances, 6(6), 1688-1703.
Publication 2024
2
ABTS Radical Scavenging Assay for Antioxidant Evaluation
Not available on PMC !
The ABTS method was employed to assess the sample's antioxidant activity [18] (link). The procedure commenced with preparing a seven mM ABTS solution, a 140 mM potassium persulfate solution, and the ABTS radical solution. 72.05 g of ABTS was dissolved in 20 mL of distilled water to create the seven mM ABTS solution. The 140 mM potassium persulfate solution was prepared by dissolving 756.91 mg potassium persulfate in 20 mL of distilled water. The ABTS radical solution was generated by combining 20 mL of the seven mM ABTS solution with 352 μL of the 140 mM potassium persulfate solution. This mixture was left in a dark room for 18 hours. Next, 1 mL of the ABTS radical solution was diluted with distilled water to achieve a solution with an absorbance reading of 0.75 at 734 nm. The analysis was done by mixing 25 μL of the sample with 1 mL of the diluted ABTS radical solution, followed by a 6-minute incubation period. Finally, the absorbance was measured using a spectrophotometer at 734 nm. The results were expressed as a percentage of inhibition (%), and the antioxidant analysis was conducted in triplicate. The results are expressed in percent (%) inhibition. The percentage of ABTS inhibition was calculated using the following equation:
(1)
Furianto P., Budiari S., Muda E.V.S., Mulyani H., Maryati Y., Handayani N.A., Melanie H., Devi A.F., Artanti N., Susilowati A., Aspiyanto A., Filailla E., & Sugiwati S. (2024). The Influence of Soaking Condition and Germination on Antioxidant Activity, and Chemical Properties of White Waxy Corn. E3S Web of Conferences, 503, 05002-05002.
Publication 2024
3
Astaxanthin antioxidant activity assay
Astaxanthin (1.68 mM) with DMSO as a solvent, dilute to 1, 1/2, 1/4, 1/8, 1/12, and 1/24 times the sample. The ABTS solution was prepared by mixing 180.11 mg of ABTS powder with 50 mL of deionized distilled water (ddH2O) solvent to form a 7 mM ABTS solution. Potassium persulfate solution was prepared by mixing 180.11 mg of potassium persulfate powder with 10 mL of ddH2O solvent to prepare a 140 mM potassium persulfate solution. 25 mL of ABTS solution was mixed with 440 μL of potassium persulfate solution to prepare ABTS + cationic radical solution. After keeping in the dark for 12 hours, the ABTS + cationic radical solution was diluted with ethanol until the absorbance value is 0.7 ± 0.002, then 20 μL of the sample was mixed evenly with 380 μL of ABTS + cationic radical solution and configured in a microcentrifuge tube, then 100 μL of the mixture was taken to the 96-well plate and the sample was triplicated, and the absorbance was measured at 734 nm by using a spectrophotometer after 30 minutes in the dark. Compared with the absorbance value of the blank control group, the ability of each sample to scavenge free radicals can be judged. Moreover, EDTA was used as the positive control group.12 (link)
Chang J.J., Wang Y.C., Yang S.H., Wu J.Y., Chang M.W, & Wang H.M. (2024). Pioneering Astaxanthin-Tumor Cell Membrane Nanoparticles for Innovative Targeted Drug Delivery on Melanoma. International Journal of Nanomedicine, 19, 2395-2407.
Publication 2024
4
Synthesis of Graphite-Based Composite Materials
Graphite powder, Potassium Persulfate [K2S2O8], Phosphorus Pentoxide [P2O5], Sodium Nitrate [NaNO3], Potassium Permanganate [KMnO4], Hydrazine Hydrate [NH2NH2.H2O], Potassium Bromide [KBr] and Rhodamine B (RhB) dye of Sigma-Aldrich make and acid like H2SO4, HCl and Hydrogen Peroxide [H2O2] of Merck makes were used in the present study.
Das P., Ibrahim S., Chakraborty K., Ghosh S, & Pal T. (2024). Stepwise reduction of graphene oxide and studies on defect-controlled physical properties. Scientific Reports, 14, 294.
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Publication 2024
5
ABTS-Persulfate Reaction Protocol
We weighed out 194.1 mg of 2,2’-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt and 68.6 mg of potassium persulfate, and dissolved them in ultrapure water (100 mL) to prepare a mixed solution with concentrations of 3.5 mmol/L for 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt and 2.5 mmol/L for potassium persulfate. The reaction took place in the dark at 4 °C for 12 h. Prior to usage, we diluted the sample with ethanol and adjusted the solution to an absorbance of 1.0 at 750 nm on a Cary 60 UV-Vis Spectrophotometer (Agilent Technologies, Inc., Santa Clara, CA, USA).
Cao X., Li G., Xie J., Wu M., Wang W., Xiao L, & Qian Z. (2024). Screening Antioxidant Components in Different Parts of Dandelion Using Online Gradient Pressure Liquid Extraction Coupled with High-Performance Liquid Chromatography Antioxidant Analysis System and Molecular Simulations. Molecules, 29(10), 2315.
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Publication 2024

Top products related to «Potassium persulfate»

1
Potassium persulfate by Merck Group
Sourced in United States, Germany, Italy, Poland, Spain, Portugal, Australia, United Kingdom, Canada, India, Switzerland, France, China, Mexico, Singapore, Hungary, Slovenia, Israel, Brazil
Potassium persulfate is an oxidizing agent used in various laboratory and industrial applications. It is a white, crystalline solid that is soluble in water. Potassium persulfate is commonly used as an initiator in free-radical polymerization reactions, as an oxidizing agent, and as a bleaching agent.
2
Gallic acid by Merck Group
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Gallic acid is a naturally occurring organic compound that can be used as a laboratory reagent. It is a white to light tan crystalline solid with the chemical formula C6H2(OH)3COOH. Gallic acid is commonly used in various analytical and research applications.
3
2 2 diphenyl 1 picrylhydrazyl (dpph) by Merck Group
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DPPH is a chemical compound used as a free radical scavenger in various analytical techniques. It is commonly used to assess the antioxidant activity of substances. The core function of DPPH is to serve as a stable free radical that can be reduced, resulting in a color change that can be measured spectrophotometrically.
4
Trolox by Merck Group
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Trolox is a water-soluble vitamin E analog that functions as an antioxidant. It is commonly used in research applications as a reference standard for measuring antioxidant capacity.
5
2 2 azinobis 3 ethylbenzothiazoline 6 sulfonic acid (abts) by Merck Group
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ABTS is a laboratory reagent used for the detection and quantification of peroxidase activity. It is a colorimetric substrate that undergoes a color change when oxidized by peroxidases, allowing for spectrophotometric or colorimetric analysis.
6
Methanol by Merck Group
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Methanol is a clear, colorless, and flammable liquid that is widely used in various industrial and laboratory applications. It serves as a solvent, fuel, and chemical intermediate. Methanol has a simple chemical formula of CH3OH and a boiling point of 64.7°C. It is a versatile compound that is widely used in the production of other chemicals, as well as in the fuel industry.
7
Hydrochloric acid (hcl) by Merck Group
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Hydrochloric acid is a commonly used laboratory reagent. It is a clear, colorless, and highly corrosive liquid with a pungent odor. Hydrochloric acid is an aqueous solution of hydrogen chloride gas.
8
Sodium carbonate by Merck Group
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Sodium carbonate is a water-soluble inorganic compound with the chemical formula Na2CO3. It is a white, crystalline solid that is commonly used as a pH regulator, water softener, and cleaning agent in various industrial and laboratory applications.
9
Sodium hydroxide (naoh) by Merck Group
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Sodium hydroxide is a chemical compound with the formula NaOH. It is a white, odorless, crystalline solid that is highly soluble in water and is a strong base. It is commonly used in various laboratory applications as a reagent.
10
Folin ciocalteu reagent by Merck Group
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The Folin-Ciocalteu reagent is a colorimetric reagent used for the quantitative determination of phenolic compounds. It is a mixture of phosphomolybdic and phosphotungstic acid complexes that undergo a color change when reduced by phenolic compounds.

More about "Potassium persulfate"

Potassium persulfate, also known as potassium peroxydisulfate or KPS, is a versatile chemical compound with the formula K2S2O8.
As a powerful oxidizing agent, it finds a wide range of applications in various industries and research fields.
In the polymerization process, potassium persulfate is commonly used as an initiator, kickstarting the formation of polymers by generating free radicals.
This makes it an essential component in the production of various plastics, rubbers, and resins.
Beyond polymerization, potassium persulfate is employed in bleaching and etching applications.
Its strong oxidizing properties allow it to effectively remove stains, discolor materials, and etch surfaces, making it useful in the textile, paper, and electronics industries.
Potassium persulfate also serves as an analytical reagent, enabling researchers to conduct various analyses and tests.
It is particularly useful in the determination of antioxidant capacity, where it is often used alongside compounds like gallic acid, DPPH, Trolox, and ABTS.
In the medical field, potassium persulfate finds application in the treatment of certain conditions.
It is used in the management of skin disorders, such as hyperhidrosis, where its astringent properties can help reduce excessive sweating.
The versatility of potassium persulfate is further enhanced by its ability to be combined with other chemicals, such as methanol, hydrochloric acid, sodium carbonate, and sodium hydroxide, to create customized solutions for specific applications.
Overall, the diverse uses of potassium persulfate make it an indispensable chemical for researchers, industries, and medical professionals across multiple disciplines.
Its importance in various applications underscores the need for a comprehensive understanding of its properties and potential.