Specifications:
Assay (titr.): min. 99 %pH (1 %; H2O): 8.8 - 9.6Heavy metals (as Pb): max. 0.0003 %Loss on drying: max. 1 %Fe: max. 0.0005 %A (1 cm/0.1 M in H2O)340 nm: max. 0.02280 nm: max. 0.04