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Ferrous chloride

Manufactured by Merck Group
Sourced in United States, Germany, Italy, India, Mexico, China, Australia
About the product

Ferrous chloride is an inorganic compound with the chemical formula FeCl2. It is a crystalline solid that is soluble in water and various organic solvents. Ferrous chloride is commonly used as a coagulant in water treatment and as a reducing agent in chemical synthesis.

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Market Availability & Pricing

Ferrous chloride is commercially available through Merck Group and its authorized distributors such as Sigma-Aldrich. Merck offers Iron(II) chloride with a purity of 98%, as well as Iron(II) chloride tetrahydrate with a 98% purity. Pricing details can be obtained directly from the manufacturer or its official distributors.

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185 protocols using «ferrous chloride»

1

Sustainable Synthesis of SBA-16 and rGO from Rice Husk

2025
Mesoporous silica (SBA-16) and reduced graphene oxide (rGO) were prepared in the laboratory from rice husk ash, as mentioned in our previous works19 (link),20 (link). Other chemicals were of analytical grade and utilized directly without additional purification. Ferric chloride (FeCl3∙6H2O, 98.5%), ferrous chloride (FeCl2∙4H2O, 98%), ammonium hydroxide (NH4OH, 25%), hydrochloric acid (HCl, 36%), and ethylene glycol (EG, 95%) were purchased from Merck. Hydrogen peroxide (H2O2, 35%) was provided by Fisher Scientific Co. Acid blue 40 dye (AB40) was supplied by Sigma-Aldrich.
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2

Enzymatic Hydrolysis of Proteins

2025
All enzymes used (Alcalase 2.4 AU-A/g, Neutrase: 0.8 AU-N/g and Protamex: 1.5 AU-N/g) were from Novonesis (Bagsværd, Denmark). Chemicals were of analytical grade, and solvents were of HPLC grade. Amino acid standards were purchased from Sigma-Aldrich (St. Louis, IL, USA). Butylated hydroxytoluene (BHT), ethylenediaminetetraacetic acid (EDTA), sodium dodecyl sulphate (SDS), ferrous chloride, sodium bicarbonate, DL-DiThioThreitol (DTT), ferrozine, and DPPH radical were obtained from Sigma-Aldrich (Steinheim, Germany). Sodium carbonate decahydrate obtained from Merck (Darmstadt, Germany).
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3

Analytical Standards for Antioxidant Analysis

2025
HPLC grade methanol, ethanol, hexane, formic acid and acetonitrile were sourced from Merck (Darmstadt, Germany). Analytical standards including gallic acid, β-carotene, Trolox ((±)-6-hydroxy-2,5,7,8-tetramethyl-chromane-2-carboxylic acid), ABTS (2,2-azinobis(3-ethylbenzothiazoline-6-sulphonic acid) diammonium salt), ferrous chloride, DPPH (1,1-diphenyl-2-picrylhydrazyl), TPTZ (2,4,6-tris(2-pyridyl)-1,3,5-triazine) and Folin–Ciocalteu reagent were obtained from Sigma Aldrich (Milan, Italy). All additional chemicals used were of analytical quality.
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4

Antioxidant and Enzymatic Assays

2025
The chemicals including ABTS (2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt), DPPH (1,1-Diphenyl-2-picrylhydrazyl), Ferrozine (3-(2-pyridyl)-5-6-diphenyl-1,2,4-triazine-4ʹ,4ʺ disulphonic-acid sodium salt), Alcalase 2.4 L. (Novo Nordisk, Bagsvaerd, Denmark), Comasi brilliant blue (G250), Pepsin (porcine gastric mucosa), Sodium nitroprusside (SNP), Pancreatin from porcine pancreas (P1750, 4 × USP specifications), Trypsin (bovine pancreas), Sulphanilamide (SA), Pyrocatechol violet, and Naphthyl-ethylenediamine-dihydrochloride (NEDD) were provided from Sigma–Aldrich Co. (St. Louis, MO, USA). Alpha-deoxyribose was supplied from Fluka (Stockholm, Sweden). Potassium persulphate, ferrous chloride, TCA (trichloroacetic acid), and other chemicals used were purchased from Merck (Darmstadt, Germany).
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5

Antioxidant Determination Protocol

2024
All solvents used were of analytical grade. Methanol, n-hexane, ferrous chloride, sinapic acid, sinapine, the Folin–Ciocalteu phenol reagent, 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical, 2,2′-azinobis-(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS), 2,4,6-tri(2-pyridyl)-s-triazine (TPTZ), and 6-hydroxy-2,5,7,8-tetramethyl-chroman -2-carboxylic acid (Trolox) were obtained from Sigma (St. Louis, MO, USA).
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