The commercially available mimosa tannin “Weibull” extract was supplied by the Tanac company (Montenegro, Brazil). The 5-(hydroxymethyl)furfural (5-HMF, ≥ 95%) was acquired from AVA Biochem (Zug, Switzerland). Technical grade acetone (>99%), sodium hydroxide pellets (NaOH) and N,N-Dimethylformamide (DMF, 99.9%) were provided by VWR. Ammonium hydroxide (25% in H2O), zinc sulfate heptahydrate, Eriochrome® Black T, ammonium chloride, Murexide, and methyl orange (MO) were obtained from Sigma Aldrich (St. Louis, MO, USA). Copper(II)sulfate (anhydrous) and acetic acid (glacial, 100%) were acquired from Merck (Darmstadt, Germany). Rhodamine B (RB) was provided by Alfa Aesar (Haverhill, MA, USA). Ethylenediaminetetraacetic acid disodium salt solution (0.1 M) was purchased from Fischer Scientific (Hampton, VA, USA). Ethylenediaminetetraacetic dianhydride (EDTAD, 98%) was supplied by ABCR (Karlsruhe, Germany).
Eriochrome black t
Manufactured by Merck Group
Sourced in United States, India
Eriochrome black T is a chemical compound commonly used as a complexometric indicator in analytical chemistry. It is a dark blue-black powder that is soluble in water and other polar solvents. Eriochrome black T is used to detect and measure the presence of certain metal ions in solution, particularly calcium and magnesium, through color changes during titration experiments.
Automatically generated - may contain errors
Lab products found in correlation
Methylene blue, by Merck Group (5 mentions)
Crystal violet, by Merck Group (3 mentions)
Methyl orange, by Merck Group (3 mentions)
Ethanol, by Merck Group (3 mentions)
Ammonium hydroxide, by Merck Group (2 mentions)
Congo red, by Merck Group (2 mentions)
Triethylamine, by Merck Group (2 mentions)
Rhodamine b, by Merck Group (2 mentions)
Acetic acid, by Merck Group (2 mentions)
Methanol, by Merck Group (2 mentions)
Hydrochloric acid (hcl), by Merck Group (2 mentions)
Murexide, by Merck Group (1 mentions)
N n dimethylformamide (dmf), by Avantor (1 mentions)
Copper 2 sulfate anhydrous, by Merck Group (1 mentions)
Ammonium chloride, by Merck Group (1 mentions)
Zinc sulfate heptahydrate, by Merck Group (1 mentions)
Polyethylene terephthalate, by Merck Group (1 mentions)
Terephthaloyl chloride, by Merck Group (1 mentions)
N hexane, by Merck Group (1 mentions)
N n dimethylformamide (dmf), by Merck Group (1 mentions)
16 protocols using eriochrome black t
1
Mimosa Tannin Extract Characterization
2
Fabrication and Characterization of PAN-Based Dye Adsorbents
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Terephthaloyl chloride (TPC; ≥ 99%), N,N′-Bis(2-aminoethyl)-1,3-propanediamine (4A-3P Amine; 97%), N,N′-bis(3-aminopropyl)ethylenediamine (4A; 90%), Triethylamine (TEA; ≥ 99.5%), Polyacrylonitrile (PAN; ≥ 99%; average molecular weight = 150,000), n-Hexane (≥ 99%), N,N′-dimethyl formamide (DMF, ≥ 99%), Polyethylene Terephthalate (PET) fabric, Methylene blue (MB; ≥ 99%), Eriochrome black T (EBT; ≥ 99%), and Congo red (CR; ≥ 99%) were all purchased from Sigma (St. Louis, USA). Deionized (DI) water from the in-lab setup was used for all the experiments.
3
Photocatalytic Dye Degradation by NiS
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Crystal violet (CV), rhodamine B (RhB), methylene blue (MB), nile blue (NB), methyl orange (MO), xylenol orange (XO) and eriochrome black T (EBT) were purchased either from Sigma-Aldrich or Alfa Aesar and were used as model dyes to assess the catalytic performance of the prepared nickel sulphide in presence and absence of visible light (Sunlight,100 W and 200 W tungsten lamp). 5 mg NiS was dispersed in 14 ml aqueous solution of ~10−5 (M) dyes. The suspensions were magnetically stirred under dark or in presence of light. At given time interval, 2 ml aliquots were taken and were centrifuged to remove the catalyst. UV-vis spectra were recorded with 1:1 dilution of experimental solution taken at certain interval. Blank experiments were also performed under identical conditions.
4
MC3T3-E1 Cell Culture and Characterization
5
Synthesis of Gold Nanoparticles
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Tetrachloroauric acid trihydrate (HAuCl4·3H2O, 99.9%), silver nitrate (AgNO3, 99.99%), resorcinol (99%), N,N,N′,N′-tetramethylguanidine (99%), and potassium silicate (SiO2 : K2O 2.5 : 1 wt%, anhydrous) were purchased from Alfa Aesar. BDAC (benzylhexadecyldimethylam-monium chloride, 97%), hexadecyltrimethylammonium bromide (CTAB, 99%, ref. H6269-250G), 8-hydroxyquinoline (99%), sodium borohydride (NaBH4, 98%), l -ascorbic acid (99%), eriochrome black T, and catechol (98%) were purchased from Sigma-Aldrich. Citric acid monohydrate (99.5%) was purchased from Merck. Powder hexadecyltrimethylammonium chloride (CTAC, 99%) was purchased from Acros Organics. Cellulose tubular membranes (12 kDa) were purchased from Spectra-Por. Milli-Q water with a resistivity above 18.2 MΩ cm was used in all the experiments.
6
Synthesis of Nickel Sulfide Nanoparticles
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Nickel acetate tetrahydrate [Ni(OAc)2 · 4H2O], sodium dodecylsulphate (SDS), Polyvinylpyrrolidone (PVP), Citric acid (CA), β-Cyclodextrin (β-CD), thiourea [(NH2)2CS], thioacetamide [C2H5NS], ethanol (EtOH), crystal violet (CV), rhodamine B (RhB), methylene blue (MB), nile blue (NB), eriochrome black T (EBT), methyl orange (MO) and xylonel orange (XO) purchased either from Sigma-Aldrich or Alfa Aesar, were all analytical grade and were used without further purifications. Double distilled water was employed throughout the experiments. Different sets of stock solutions were prepared. Set 1: Nickel acetate tetrahydrate (4.0 mmol) and different capping agent i.e. polyvinylprolydiene (PVP, 40 mg) or sodium dodecyl sulphate(SDS, 57 mg) or Citric acid (CA, 42 mg) or β-Cyclodextrin (β-CD, 45 mg) were mixed homogeneously in 10 ml water at room temperature. Set 2: In a separate beaker, 10 mmol of sulphur source i.e. thiourea (750 mg) or thioacetamide (760 mg) was dissolved in 5 ml of water.
7
Membrane Filtration of Chemical Solutions
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Methanol, ethanol, benzophenone (BP), MgSO4, NaCl, MgCl2, NaSO4, acrylic acid (AA), and phosphate-buffered saline (PBS) tablets were purchased from VWR (Atlanta, GA, USA). Bovine serum albumin (BSA) was supplied by Lee BioSolution (Maryland Heights, MO, USA). Congo red and Eriochrome® Black T(EBT) were procured from Sigma-Aldrich (St. Louis, MO, USA). DI water was used in all experiments. Commercial polyvinylidene fluoride (PVDF) 400kDa membrane was provided by the UltraTM, Oceanside, CA. Commercial nanofiltration membrane NF270, NF90, and NF245 were provided by DuPont Water Solutions (Midland, MI, USA).
8
Determination of Water Hardness
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The total permanent hardness of the water was controlled according to the German hardness scale; it was tested using the EDTA titrimetric method. Other reagents—a 25% solution of NH4OH, Eriochrome Black T, pure NaCl, and 0.005 M EDTA solution—were all purchased from Sigma-Aldrich (St. Louis, MO, USA).
The method was used in accordance with Standard Methods for the Examination of Water and Wastewater [24 ].
The method was used in accordance with Standard Methods for the Examination of Water and Wastewater [24 ].
9
Dye Degradation with Rare-Earth Complexes
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Ammonium metavanadate (NH4VO3), Thulium Nitrate Hexahydrate (Tm(NO3)3·6H2O), N, N'-Bis(salicylidene)ethylenediamine (H2Salen), N, N′-bis(salicylidene)-1,2-phenylenediamine (H2Salophen), and methanol, were acquired from Merck company and applied without further purification. In addition, the organic dyes utilized as pollutants, such as eriochrome black T (EBT), methyl violet (MV), benzoic acid (BA), benzoquinone (BQ), and Ethylenediaminetetraacetic acid (EDTA) were acquired from Sigma-Aldrich.
10
Synthesis of Silica Nanoparticles via Sol-Gel Method
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Anhydrous tetrahydrofuran (THF), anhydrous isopropanol (IPA), ethanol (EtOH), naphthalene, lithium pellets, di-n-butylmagnesium (1.0 M in heptane), tetraethyl orthosilicate (TEOS), ammonium hydroxide (28–30% in water), dimethylamine (DMA, 40% in water), triethylamine, dopamine hydrochloride, ethylenediaminetetraacetic acid (EDTA), and Eriochrome Black T were purchased from Sigma-Aldrich and used as supplied. Before use, all glassware was washed with aqua regia (1 : 3 HNO3 : HCl) and flame-dried under vacuum. (Caution : Aqua regia solutions are dangerous and should be used with extreme care; these solutions should never be stored in closed containers.)
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