DMPA Product Standards


Release time:

2019-09-20

Sequence No.

Indicator Name
Index

Standard
Standard

1

外观Appearance

white granular crystal
White 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
Aceton-ET3N Solube Experience

Clarification and transparency
Transparent