Sigma M0622       硫酸镁七水  Mangnesinm Sulfte

产品详细说明:

Synonym: Epsom salts

Molecular Formula: MgSO 4 · 7H 2 O

Molecular Weight: 246.47

CAS Number: 10034-99-8

Properties:

vapor density ………………………………………………<0.01 (vs air)

vapor pressure ………………………………………………<0.1 mm Hg ( 20 °C)

assay …………………………………………………………≥ 98%

total impurities …………………………<0.0005% Phosphorus (P) <0.005% Insoluble matter

solubility ………………………………………………………H 2 O: 1 M at 20 °C, clear, colorless

cation traces …………………………………………………Al: <0.0005%

Ca: <0.01%

Cu: <0.0005%

Fe: <0.0005%

K: <0.005%

Mn: <0.0005%

NH4+: <0.002%

Na: <0.005%

Pb: <0.0005%

Sr: <0.005%

Zn: <0.0005%