Iterms | S tandards |
NaOH%: | 98.5-99 % min |
Na 2 CO 3 %: | 0.50-0.80 % max |
NaCl%: | 0.02-0.04 % max |
Fe 2 O 3 % | 0.002-0.004% max |
SiO2 % | 0.003-0.008 max |
NaClO3% | 0.005 % max |
Na 2 SO 4 %: | 0.01-0.02 % max |
Al2O3%: | 0.004-0.005 % max |
CaO%: | 0.001-0.003 % max |