| ≥1 piece |
CERTIFICATE OF ANALYSIS
|
TESTING STANDARD |
GB12488-2008 |
|
|
TESTED Date |
8th , Dec. , 2011 |
|
|
Grade |
NF13(80-100mesh) |
|
|
Batch NO: |
1112004 |
|
|
Manufacture date : |
8th , Dec. , 2011 |
|
|
Expiring date : |
7th , Dec , 2014 |
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|
ITEM |
SPECTIFICATION |
TESETD RESULT |
|
Purity w/ ﹪ |
≥98.0~101.0 |
99. 85 |
|
Loss on drying , ﹪ |
≤ 0.1 |
0.08 |
|
PH VALUE |
5.5~7.5 |
6. 79 |
|
Sulfate CONTENT ,PPM |
10 00PPM |
240PPM |
|
Arsenic ,PPM |
1 PPM |
1PPM |
|
Heavy metals (AS LEAD),PPM |
1 0PPM |
10PPM |
|
Transparency ( 100g/L )W /% |
≥95 |
9 9.2 |
|
Cyclohexylamine ,PPM |
25 PPM |
1 6PPM |
|
Dicyclohexylamine ,PPM |
1 PPM |
1PPM |
|
Absorbency （ 100g/L ） |
≤0.10 |
0. 019 |
|
tested result |
Up to standard |
|
|
Inspector ： liusufang |
re-check ： zhangchunduo |
|