SODIUM SULPHATE ANHYDROUS extrapure AR

Product Code

194969

Product Name

CAS Number

7757-82-6

Classification

SODIUM SULPHATE ANHYDROUS extrapure AR

Specifications

Na2SO4 M.W. 142.04
DESCRIPTION ................ A white crystalline powder
SOLUBILITY ................. 10% aq. soln clear & colourless
ASSAY....................... min 99.5%
pH(5% AQUEOUS SOLUTION) .... 5.5-8.0
LOSS ON DRYING .............. max 0.5%
WATER INSOLUBLE MATTER ...... max 0.005%
CHLORIDE(Cl) ............... max 0.001%
PHOSPHATE(PO4) ............. max 0.002%
IRON(Fe) ................... max 0.0002%
HEAVY METALS(Pb) ........... max 0.0005%
COPPER(Cu) ................. max 0.0002%
NITROGEN COMPOUNDS(N) ...... max 0.0005%
CALCIUM(Ca) ................ max 0.005%
POTASSIUM(K) ............... max 0.01%
OXIDISING SUBSTANCES ....... no reaction
REDUCING SUBSTANCES(O) ..... max 0.002%

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