Assay as NaOH: 99% on dry basis Chlorides as Nacl------------------------------------------------0. 08% max Carbonate as Na2CO3------------------------------------------0. 9% max Iron as Fe-----------------------------------------------------------20% max Nickel as Ni-------------------------------------------------------- 5 %max Mercury as Hg: Ni
Caustic soda 96%
Assay as NaOH: 96% on dry basis Chlorides as Nacl-------------------------------------------------2.8% max Carbonate as Na2CO3-------------------------------------------0. 9% max Iron as Fe------------------------------------------------------------ 0.01%max Nickel as Ni: 5 % max Mercury as Hg: Ni
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