| 型号： | 粉末 |
|---|---|
| 品牌： | VEGA |
| 原产地： | 中国 |
| 类别： | 化工 / 饲料添加剂 |
| 标签︰ | 维生素B1 , 维他命B1 , 维生素B1粉末 |
| 单价： |
US $18.9
/ 公斤
|
| 最少订量： | 100 公斤 |
| 即时通讯: | 最后上线︰2019/03/15 |
|
Items |
Specification |
Results |
|
|
BP2012 |
Appearance |
A white or almost white, crystalline powder or small, colorless crystals |
White crystalline powder |
|
Identification |
Meet the requirements |
Comply |
|
|
Appearance of solution |
Clear, not more intense than Y7 or GY7 |
Comply |
|
|
pH |
2.7-3.3 |
3.0 |
|
|
Water |
≤ 5.0% |
1.60% |
|
|
Sulphated ash |
≤ 0.1% |
0.06% |
|
|
Heavy metals |
≤ 20ppm |
<10ppm |
|
|
Sulphates |
≤ 300ppm |
Comply |
|
|
Any impurity |
≤0.40 % |
0.13% |
|
|
Total impurities |
≤1.0% |
0.41% |
|
|
Assay |
98.0%-101.0% |
99.4% |
|
|
USP34 |
Identification |
Meet the requirements |
Comply |
|
pH |
2.7-3.4 |
3.0 |
|
|
Water |
≤ 5.0% |
1.60% |
|
|
Residue on ignition |
≤ 0.2% |
0.06% |
|
|
Absorbance of solution |
≤ 0.025% |
Comply |
|
|
Limit of nitrate |
Meet the requirement |
Comply |
|
|
Chromatographic purity |
Meet the requirement |
Comply |
|
|
Residual solvent Methanol Ethanol |
≤ 0.3% ≤ 0.5% |
Not detected 0.03% |
|
|
Assay |
98.0%-102.0% |
99.4% |
|
|
Conclusion: All the results conform to the BP2012 and USP34. |
|||
| 付款方式︰ | TT / LC / DP / DA |
|---|---|
