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日期: 2025-05-04
今日:
总计:
上次:
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对氨基苯甲酸 分 析 证
| PABA (p-Aminobenzoic
acid) |
DATE: JAN. 31,2000 |
| Item |
Specifications |
RESULT |
RESULT |
RESULT |
RESULT |
| Batch No. |
20000121 |
20000122 |
20000123 |
20000124 |
20000125 |
| Quantity |
1000kilos |
1000kilos |
1000kilos |
1000kilos |
1000KGS |
| Outer appearance |
White Crystalline powder |
White Crystalline powder |
White Crystalline powder |
White Crystalline powder |
White Crystalline powder |
| Melting point |
187°~ 188℃ |
187°~ 188℃ |
187°~ 188℃ |
187°~ 188℃ |
187°~ 188℃ |
| Loss on drying |
0.18% |
0.19% |
0.17% |
0.18% |
0.19% |
| Residue on Ignition |
≤0.1% |
0.09% |
≤0.1% |
≤0.09% |
0.09% |
| Heavy Metals |
18ppm |
18ppm |
18ppm |
18ppm |
18ppm |
| Salted Substance |
0.04% |
0.04% |
0.04% |
0.04% |
0.04% |
| Volatile Diazotizable substances
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0.0018% |
0.0019% |
0.0018% |
0.0018% |
0.0018% |
| Assay |
99.56% |
99.68% |
99.60% |
99.65% |
99.60% |
| Tested date: |
Jan.21, 2000 |
Jan.22, 2000 |
Jan.23, 2000 |
Jan. 24, 2000 |
Jan. 25, 2000 |
| Conclusions |
Conforms to USP23 |
Conforms to USP23 |
Conforms to USP23 |
Conforms to USP23 |
Conforms to USP23 |
| Quality control |
ZCM |
ZCM |
ZCM |
ZCM |
ZCM |
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