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Magnesium Sulfate.7H2O AR 1kg AnalaR NORMAPUR
25165.292-1Kg



Specification 25165

Magnesium sulphate heptahydrate 99.5%, AnalaR NORMAPUR® analytical reagent

Magnesium sulphate heptahydrate ≥99.5%, AnalaR NORMAPUR® analytical reagent

Formula: MgSO ·7H O
MW: 246.48 g/mol
Melting Pt: 1124 °C
Density: 2.66 g/cm³ (20 °C)		 MDL Number: MFCD00149785
CAS Number: 10034-99-8
UN: 0000
Merck Index: 13,05715

 

Specification Test Results

Assay Min. 99.5 %
Solution in water Passes test
Acidity or alkalinity Max. 0.001 meq/g
pH (25°C; 5 %) 5.0 - 8.0
Alkaline metals (as SO4) Max. 0.05 %
Heavy metals (as Pb) Max. 5 ppm
Insolubility in water Max. 50 ppm
Total N (Nitr ogen) Max. 20 ppm
Cl (Chlo ride) Max. 5 ppm
NH4 (Amm onium) Max. 20 ppm
NO3 (Nitra te) Max. 10 ppm
PO4 (Phosp hate) Max. 10 ppm
As (Arse nic) Max. 2 ppm
Ca (Ca lcium) Max. 50 ppm
Cu (Co pper) Max. 2 ppm
Fe (Ir on) Max. 1 ppm
K (Potas sium) Max. 10 ppm
Mn (Man ganese) Max. 5 ppm
Na (So dium) Max. 10 ppm
Pb (Le ad) Max. 5 ppm

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