Sodium sulfate, plastic anhydrous for analyis EMSURE® ACS,ISO,Reag. Ph Eur

content (alkalimetric): ≥ 99,0%

Content (alkalimetric, calculated on dried substance): 98.5 - 101.0 %

Identity: corresponds to

Appearance of the solution: corresponds

Insoluble parts: ≤ 0.01 %

Acidity or alkalinity: corresponds

pH value (5 %; water; 25 °C): 5.2 - 8.0

Chloride (Cl): ≤ 0.001 %

Phosphate (PO₄): ≤ 0.001 %

Total nitrogen (N): ≤ 0.0005 %

Heavy metals (ACS): ≤ 0.0005 %

Heavy metals (as Pb): ≤ 0.0005 %

As (arsenic): ≤ 0,0001 %

Ca (calcium): ≤ 0.005 %

Fe (iron): ≤ 0,0005 %

K (potassium): ≤ 0.002 %

Mg (magnesium): ≤ 0.001 %

Loss on drying (130 °C): ≤ 0.5 %

Loss on ignition (800 °C): ≤ 0.5 %

Corresponds to ACS, ISO, Reag. Ph Eur