Formic Acid Description:
Molecular formula: HCOOH
No. of standard: GB/T 2093-1993
|
Item |
Specifications |
|
Supper class |
First class |
Qualified |
|
Color (Platinum-Cobalt), Hazen Units ≤ |
10 |
20 |
- |
|
Assay (HCOOH), % ≥ |
90.0 |
85.0 |
85.0 |
|
Dilution Test(Acid: Water=1:3) |
Not turbid |
Pass |
- |
|
Chloride (Cl-), % ≤ |
0.003 |
0.005 |
0.020 |
|
Sulfate (SO42-), % ≤ |
0.001 |
0.002 |
0.050 |
|
Iron (Fe), % ≤ |
0.0001 |
0.0005 |
0.0010 |
|
Evaporites, % ≤ |
0.006 |
0.020 |
0.080 |
|
Appearance |
Colorless, clear liquid without suspended substance |
Uses: Mainly used in rubber, medical, printing and dyeing, tanning and chemical industry and so on. |
|
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