Sigma-Aldrich Magnesium Sulfate Heptahyd

Grade

ACS reagent

Quality Level

300

Agency

reag. pH. Eur.

Vapor Density

<0.01 (vs air)

Vapor Pressure

<0.1 mmHg ( 20 °C)

Product Line

EMSURE^®

Assay

≥99.5% (complexometric)
99.0-100.5% dry basis (complexometric)

Form

solid

Impurities

≤0.005% Insoluble matter

Loss

48.0-52.0% loss on drying, 400 °C

Related Categories

Salts

Application

• Bioflocculant produced by Bacillus velezensis and its potential application in brewery wastewater treatment.: This research explores the application of a bioflocculant produced by Bacillus velezensis, with magnesium sulfate heptahydrate as a potential flocculating agent in brewery wastewater treatment. The study highlights the efficacy of magnesium sulfate heptahydrate in enhancing flocculant performance, offering a cost-effective and eco-friendly solution for wastewater management in the beverage industry (Agunbiade et Al., 2022).

Analysis Note

Assay (complexometric): ≥ 99.5 %
Assay (complexometric; calculated on dried substance): 99.0 - 100.5 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
Acidity or alkalinity: passes test
pH-value (5 %; water; 25 °C): 5.0 - 8.0
Chloride (Cl): ≤ 0.0003 %
Total nitrogen (N): ≤ 0.002 %
Nitrate (NO₃): ≤ 0.002 %
Heavy metals (ACS): ≤ 0.0005 %
As (Arsenic): ≤ 0.0002 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.0001 %
Fe (Iron): ≤ 0.0001 %
K (Potassium): ≤ 0.001 %
Mn (Manganese): ≤ 0.0005 %
Na (Sodium): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.002 %
Pb (Lead): ≤ 0.0001 %
Sr (Strontium): ≤ 0.005 %
Loss on drying (400 °C): 48.0 - 52.0 %
Corresponds to ACS, Reag. pH EurEMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany