Materials used and their commercial sources are as follows: Anhydrous Ferric chloride FeCl3; 96% (ADVENT Chem Bio), Zinc chloride ZnCl2; 98% (ADVENT Chem Bio), Sodium hydroxide (Alpha Chemika), p-Nitrophenyl Palmitate (PNPP); (Thermo Fisher Scientific), Aspergillus niger lipase (LOBA Chemie, India), Tris buffer superior extra pure 99.9% (Srichem), p-Nitro phenol (MERCK), Isopropyl alcohol 99% (Alpha Chemika), 1,1-diphenyl-2-picryl hydrazyl (DPPH) (Sigma Aldrich), Hydrochloric acid (Alpha Chemika), Methylene Blue dye (Alpha Chemika), Crystal violet (Alpha Chemika), Sodium Chloride (Alpha Chemika), Ethanol 99% (Alpha Chemika) and Gentamycin (GEN) Antibiotic disc (Oxoid). All the chemicals utilized were of reagent grade and employed without undergoing additional purification. All experiments were conducted using Ultrapure Milli-Q water.
Sodium hydroxide (naoh)
Manufactured by Alpha Chemika
Sourced in India
Sodium hydroxide is a chemical compound with the formula NaOH. It is a white, odorless, crystalline solid that is highly soluble in water. Sodium hydroxide is a strong base and is used in a variety of industrial and laboratory applications.
Automatically generated - may contain errors
Lab products found in correlation
Potassium hydroxide, by Alpha Chemika (2 mentions)
Ethanol, by Alpha Chemika (1 mentions)
Hydrochloric acid (hcl), by Alpha Chemika (1 mentions)
1 1 diphenyl 2 picrylhydrazyl dpph, by Merck Group (1 mentions)
Cobalt 2 nitrate hexahydrate, by Sinopharm (1 mentions)
Zn no3 2 6h2o, by Merck Group (1 mentions)
Zncl2, by Merck Group (1 mentions)
Acriflavine hydrochloride, by Merck Group (1 mentions)
5 protocols using sodium hydroxide (naoh)
1
Lipase-Catalyzed Esterification Assay with DPPH Inhibition
2
Synthesis of Manganese-Cobalt Oxide Electrocatalyst
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All chemicals employed in this experiment were acquired from commercial dealers of analytical rank and were utilized as received without additional purification. Manganese sulfate monohydrate (99 %, MnSO4.H2O, India (Sisco Research Laboratories Pvt. Ltd.)), Cobalt (II) nitrate hexahydrate (99.5%, Co(NO3)2.6H2O) and ammonia (China (Sinopharm Chemical Reagent Co., Ltd.)). Sodium hydroxide (NaOH, 99.5%)), Vulcan XC 72 carbon powder (96.5%), potassium hydroxide (97.5%, KOH), potassium permanganate (99.5%, KMnO4), ethanol (98.5%), and sodium carbonate (97.5%) were obtained from Alpha Chemika (India). Throughout the experiments distilled water (DW) was employed as the solvent.
3
Synthesis and Characterization of ZnS Nanoparticles
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All chemicals used were of high purity, and bi-distilled water was utilized. Zn (NO3)2.6H2O, ZnCl2, and sodium sulphide nonahydrate (Na2S.9H2O) were purchased from Merck & Co. (Germany). Sodium hydroxide was obtained from Alpha Chemika and butyl alcohol CH3(CH2)3OH from El-Nasr Pharmaceutical Chemical Company (Egypt). ZnS nanoparticles were prepared as described below. Dosage forms containing Zn2+ ions were obtained from local drugstores. Synthetic brass alloys were prepared in the laboratory.
4
Phytochemical Analysis of Vernonia amygdalina
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V. amygdalina leaves were collected from Adama Science and Technology University premises, Ethiopia. Silver nitrate (AgNO3), ferric chloride (99%, Trust Chemical Laboratories), mercury (II) chloride (Loba Chemie Pvt. Ltd), potassium Iodide (99.8%, Samir TechChem Pvt. Ltd), ethanol (purity ≥99.9%, Fine Chemical, Ethiopia), methanol (99%, Blulux Laboratory, India), sulfuric acid (99%, Blulux Laboratory, India), sodium hydroxide (purity ≥97%, Alpha Chemika, India), hydrochloric acid (HCl, 37%, Pentokey organy, India), and distilled water (prepared in the laboratory) were used at different stages of this study.
5
Synthesis and Characterization of Metal-Dye Nanocomposites
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All materials were of analytical grade and used without any further purification. All solutions were prepared using double-distilled water. Zinc acetate dihydrate (Zn (CH3COO)2·2H2O, assay: 99.5%), sodium hydroxide (NaOH, assay: 99%), potassium hydroxide (KOH, assay: 99%), and l -ascorbic acid (assay: 98%) were purchased from Alpha Chemika. Copper nitrate Cu (NO3)2·3H2O (assay: 98%, Laboratory Chemicals) and 4-nitrophenol (assay: 98%) was supplied by Research-Lab Fine Chem Industries (India), sodium borohydride NaBH4 (assay: 98%) was purchased from SDFCL, while absolute ethanol (ADWIC), methylene blue (MB), Congo red (CR), and acriflavine hydrochloride (ACF) dyes were bought from Sigma-Aldrich (Germany). The chemical structures of 4-NP, MB, CR, and ACF are depicted in Fig. 1 .
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