NAOH 96%
Sodium hydroxide (NaOH)≥------------------96.0
Sodium carbonate (Na2CO3)≤-------------1.30
Sodium chloride (NaCl≤----------------------2.70
Ferric oxide (Fe2O3)≤-------------------------0.008
NAOH 99%
Sodium hydroxide (NaOH)≥-----------------99.0
Sodium carbonate (Na2CO3)≤-------------0.80
Sodium chloride (NaCl≤----------------------0.05
Ferric oxide (Fe2O3)≤-------------------------0.005
NAOH FOOD GRADE
Sodium hydroxide (NaOH)-------------------95.0-100.5
Sodium carbonate (Na2CO3)≤-------------3.0
As, %≤---------------------------------------------0.0003
Heavy metal(as Pb), %≤---------------------0.002
Pb, %-----------------------------------------------0.001
Hg, %-----------------------------------------------0.00001