Merck, 1037921000, Ammonium iron(II) sulfate hexahydrate

Application

Water-Mediated Green and Efficient Synthesis of Bis(Indolyl)methanes Using Ammonium Iron(II) Sulfate.: This research highlights the use of ammonium iron(II) sulfate hexahydrate in the green synthesis of bis(indolyl)methanes. The study demonstrates the compound′s efficiency and eco-friendliness in catalyzing reactions in water, offering a sustainable alternative in organic synthesis (Letters in Organic Chemistry, 2020).

Determination of Ferromanganese and Ferrosilicon by Ammonium Ferrous Sulfate Titration and ICP.: This paper discusses the analytical methods for determining ferromanganese and ferrosilicon using ammonium iron(II) sulfate titration and inductively coupled plasma (ICP). The study underscores the compound′s role in precise quantitative analysis in metallurgical processes (Modern Analytical Chemistry Research, 2020).

Analysis Note
Assay (manganometric): 99.0 - 101.5 %

pH-value (5%; water; 25°C) 3.0 - 5.0

Chloride (Cl): ≤ 0.001 %

Phosphate (PO₄): ≤ 0.002 %

Iron(III)-salts (Fe³⁺): ≤ 0.02 %

Ca (Calcium): ≤ 0.002 %

Cu (Copper): ≤ 0.002 %

K (Potassium): ≤ 0.01 %

Mg (Magnesium): ≤ 0.01 %

Mn (Manganese): ≤ 0.05 %

Na (Sodium): ≤ 0.01 %

Pb (Lead): ≤ 0.001 %

Zn (Zinc): ≤ 0.003 %

Corresponds to ISO
Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany