SÓDIO SULFATO ANIDRO PA EMSURE ACS,ISO,Reag. Ph Eur MERCK - 1KG

Assay acidimetric >= 99.0 % Assay acidimetric; dried substance 98.5 - 101.0 % Identity conforms Appearance of solution conforms Insoluble matter <= 0.01 % Acidity or alkalinity conforms 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 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 %