Shop

Sodium Hydroxide Solution 32% for Keldahl RS

Assay (Acidim.): 32-34 %

Maximum limit of impurities
Chloride (Cl): 0.006%
Nitrogen compounds (as N): 0.0001%
Phosphate (PO4): 0.0005 %
Sulfate (SO4): 0.002%
Silicate (as SiO2): 0.001%
Carbonate (as Na2CO3): 1.0%
Heavy metals (as Pb): 0.0005%
Al: 0.0005 %
As: 0.00004 %
Ca: 0.0005 %
Cu: 0.0005 %
Fe: 0.0005 %
K: 0.02 %
Mg: 0.0005 %
Ni: 0.0005 %
Pb: 0.0005 %
Zn: 0.001 %