Sodium Hydroxide solution 50% w/v pure

Sodium Hydroxide solution 50% w/v pure
Content: 5 LTR
Physical Description:
liquid
caustic , absorbs CO2 from air
Quality Name: pure
Specification: Assay (Acidim.): 49.5 - 50.5%
Chloride (Cl): 0.01%
Nitrogen compounds (as N): 0.002%
Phosphate (PO4): 0.002 %
Sulfate (SO4): 0.01%
Carbonate (as Na2CO3): 1.0%
Heavy metals (as Pb): 0.002%
Al: 0.002 %
As: 0.00004 %
Ca: 0.005 %
Cu: 0.001 %
Fe: 0.005 %
Mg: 0.005 %
Ni: 0.001 %
Pb: 0.001 %