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DMPA Product Standards
Release time:
2019-09-20
Sequence No. |
Indicator Name |
Standard |
1 |
外观Appearance |
white granular crystal |
2 |
Content Content (%) |
≥99 |
3 |
Water (%) |
≤ 0.3 |
4 |
熔点Melting Point (℃) |
≥ 180 |
5 |
Ash (%) |
≤ 0.03 |
6 |
残醛Residue Formaldehyde (%) |
≤ 0.03 |
7 |
酸值Acid Value (mg KOH/g) |
414.2-418.3 |
8 |
羟值Hydroxyl Value (mg KOH/g) |
810-860 |
9 |
Iron Fe3 (PPM) |
≤5 |
10 |
钠Na (PPM) |
≤ 150 |
11 |
Potassium K (PPM) |
≤10 |
12 |
Chlorine CL- (PPM)(as hydrochloride) |
≤10 |
13 |
Silicon SiO2 (PPM)(as silicate) |
≤1 |
14 |
Sulfate ion SO42- (PPM) |
≤10 |
15 |
acetone-triethylamine dissolution test |
Clarification and transparency |
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