|
STANDARD |
GB/T2093-93 | |
|
ANALYSIS ITEMS |
Superior quality |
Conforming product |
|
APPEARANCE |
Colorless & transparent Liquid |
Colorless&transparent Liquid |
|
DILUTION EXPERIMENTS |
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|
CHROMA |
|
|
|
FORMIC ACID, ≥ |
≥90% |
≥85% |
|
CHLORIDE(ASCL_), ≤ |
≤0.003% |
≤0.005% |
|
SULPHATE(ASSO42_), ≤ |
≤0.001% |
≤0.002% |
|
IRON,( Base on FE3+ ) ≤ |
≤0.0001% |
≤0.0005% |
|
EVAPORATION RESIDUE, ≤ |
≤0.006% |
≤0.020% |