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Merck
CN

Specification Sheet

Product Name
Magnesium sulfate hydrate puriss., dried, 99.0-101.0% MgSO4 basis (in dried substance)

Product Number
13143

Product Brand
sigald

CAS Number
22189-08-8

Molecular Weight
120.37 (anhydrous basis)

Test

Specification

APPEARANCE (COLOR)Colorless or White
APPEARANCE (FORM)Powder
TITRATION (KT) EDTA 0.1M99.0 - 101.0 % (calc. to the dried substance)
SOLUBILITY (COLOR)complying
SOLUBILITY (TURBIDITY)complying
SOLUBILITY (METHOD)ACC. TO DAC
LOSS ON IGNITION23.0 - 35.0 %
TRACE ANALYSIS (ADDITIONAL TESTS)Acidity or Alkalinity complying -br- Heavy Metals (as Pb) ≤ 15mg/kg
IRON (ICP)≤ 10 mg/kg
ARSENIC TRACES (MHS-AAS)≤ 2 mg/kg
CHLORIDE (CL)≤ 400 mg/kg
RESIDUAL SOLVENTS (GLC-HS)Complying
RECOMMENDED RETEST PERIOD42 MONTHS