SODIUM SULFATE DECAHYDRATE FOR ANALYSIS

Code: 1066481000 D2-231

Analysis Note

Assay (alkalimetric): ≥ 99.0 %Assay (alkalimetric, calculated on dried substance): 98.5 - 101.0 %Identity: passes testAppearance of solution: passes testI...


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Analysis Note

Assay (alkalimetric): ≥ 99.0 %Assay (alkalimetric, calculated on dried substance): 98.5 - 101.0 %Identity: passes testAppearance of solution: passes testInsoluble matter: ≤ 0.01 %pH-value (5 %; water; 25 °C): 5.2 - 8.0Acidity or alkalinity: passes testChloride (Cl): ≤ 0.0003 %Phosphate (PO4): ≤ 0.0005 %Total nitrogen (N): ≤ 0.0003 %Heavy metals (as Pb): ≤ 0.0003 %As (Arsenic): ≤ 0.0001 Ê (Calcium): ≤ 0.002 þ (Iron): ≤ 0.0005 %K (Potassium): ≤ 0.002 %Mg (Magnesium): ≤ 0.001 %Loss on drying (130 °C): 52.0 - 57.0 %corresponds to ACS,Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Packaging

25 kg in Fibre carton

agencyreag. Ph. Eur.
anion traceschloride (Cl-): ≤0.0003%, phosphate (PO43-): ≤0.0005%
assay98.5-101% dry basis (alkalimetric), ≥99.0% (alkalimetric)
bulk density700 kg/m3
cation tracesFe: ≤0.0005%, Ca: ≤0.002%, Mg: ≤0.001%, K: ≤0.002%, N: ≤0.0003%, heavy metals (as Pb): ≤0.0003%, As: ≤0.0001%
density1.464 g/cm3
formcrystals
gradeACS reagent
impurities≤0.01% Insoluble matter
InChI keyRSIJVJUOQBWMIM-UHFFFAOYSA-L
InChI1S/2Na.H2O4S.10H2O/c;;1-5(2,3)4;;;;;;;;;;/h;;(H2,1,2,3,4);10*1H2/q2*+1;;;;;;;;;;;/p-2
loss52.0-57.0% loss on drying, 130 °C
mp32.4 °C
pH5.2-8.0 (25 °C, 50 g/L in H2O, anhydrous substance)
product lineEMSURE®
Quality Level300
storage temp.15-25°C
Cas Number7727-73-3
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