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ITEMS OF ANALYSIS |
SPECIFICATION |
RESULTS |
TESTING METHOD |
APPEARANCE: |
WHITE NEEDLECRYSTAL |
PASSED |
IN HOUSE#PSB01 |
MELTING POINT (°C): |
171 - 175 |
171.5 |
GB/T1.1-2009 |
ASSAY (%): |
99.0 - 101.0 |
99.83 |
IN HOUSE#PSB10 |
WATER(%): |
0.5MAX |
0.1 |
GB/T1.1-2009 |
SOLUBILITY (20°C) (G/L) (%): |
70 |
PASSED |
GB/T1.1-2009 |
HEAVY METAL (AS PB) (PPM): |
20 MAX |
10 |
GB/T1.1-2009 |
INCINERATE RESIDUE CONTENT (%): |
0.05 MAX |
0.002 |
GB/T1.1-2009 |
FE (PPM): |
20 MAX |
6 |
GB/T1.1-2009 |
CONCLUSION: |
CONFORM TO TECH GRADE |