PHYSICAL DATA: Small white crystals · Hygroscopic · Solubility in water at 20 ° C 960 g/l · M. P.: 100 ° C ·

APPLICATIONS: Analytical reagent: · In Galvanotechnia · Deproteinating blood and urine ·

Assay (Compl.) 99,5-103,0%

pH of 5% solution 5,0-6,0

MAXIMUM LIMIT OF IMPURITIES 

Insoluble matter in H2O 0,005 %
Chloride (Cl) 0,0005 %
Nitrogen compounds (as N) 0,0005 %
As 0,00005 %

Metals by ICP [mg/Kg (ppm)]
   
Al 5
Bi 5
Ca 10
Cd 10
Co 5
Cr 5
Cu 5
Fe 5
Hg 5
K 50
Mg 10
Mn 3
Na 50
Ni 5
Pb 20
Sr 5