偏钨酸铵
化学性能：
Chemical Properties:
| 化学成分分析 | 牌号 | AMT-90 | AMT-91 |
| WO3不小于，MIN% | 90 | 91 |
| 杂志含量不大于（%max） | AL | 0.001 | 0.001 |
| AS | 0.001 | 0.001 |
| Bi | 0.0001 | 0.0001 |
| Ca | 0.0015 | 0.0015 |
| Co | 0.001 | 0.001 |
| Cr | 0.001 | 0.001 |
| Cu | 0.0005 | 0.0005 |
| Fe | 0.002 | 0.002 |
| K | 0.001 | 0.001 |
| Mn | 0.001 | 0.001 |
| Mg | 0.0005 | 0.0005 |
| Mo | 0.003 | 0.003 |
| Na | 0.0015 | 0.0015 |
| Ni | 0.0005 | 0.0005 |
| P | 0.0008 | 0.0008 |
| Pb | 0.0001 | 0.0001 |
| S | 0.0015 | 0.0015 |
| Sb | 0.0008 | 0.0008 |
| Si | 0.0015 | 0.0015 |
| Sn | 0.0005 | 0.0005 |
| Ti | 0.001 | 0.001 |
| V | 0.001 | 0.001 |
2、性 状：白色或淡黄色晶状粉末Chemical Formula:（NH4）6H2W12O40·4H2O
Shape and properties:White and Faint Yellow Crystal Powder
3、物理性能：产品通过60目筛网
Physical properties:Products passing 60 mesh screen
4、25℃水溶液的PH值：2~4
25℃ Water Solution’s PH:2~4
5、包装：铁桶内衬塑料袋或布袋，每桶净重100kg或200kg
Packing:In iron drum lined with plastic bags or cloth bags of 100/200kgs net each
注：如另有要求，可具体洽谈
Note:Other requirements shall be discussed in details
由于行业的特殊性，价格经常有涨有跌，以上报价仅供参考
