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Solid Specifications：
Item Specification
IS-IT IS-DT IS-CT
Ⅰ Ⅱ Ⅰ Ⅱ Ⅰ
S F Q S F Q S F Q S F Q S F Q
NaOH %≥ 99.0 98.5 98.0 72.0±2.0 96.0 95.0 72.0±2.0 97.0 94.0
Na2CO3 %≤ 0.5 0.8 1.0 0.3 0.5 0.8 1.2 1.3 1.6 0.4 0.8 1.0 1.5 1.7 2.5
NaCl %≤ 0.03 0.05 0.08 0.02 0.05 0.08 2.5 2.7 3.0 2.0 2.5 2.8 1.1 1.2 3.5
Fe2CO3 %≤ 0.005 0.008 0.01 0.005 0.008 0.01 0.008 0.01 0.02 0.008 0.01 0.02 0.008 0.01 0.01
caustic soda flake/pearls (NAOH)