Test

Specifications

Analysis results

外    观

Description

白色或微黄色单斜棱晶、针状结晶体粉末

White to slightly yellow monocline rhombus Crystalline, needle crystalline powder

Complies

鉴    别        

Positive

Positive

Identification

溶液的澄清度与颜色

Clarity and colour

of solution  

5ml 1%的 1N NaOH溶液应澄清无色

5ml 1% 1N NaOH  solution is colourless and clear

Complies

氯 化 物                      

≤0.005%

<0.005%

Chlorides   

硫 酸 盐                         

≤0.025%

<0.025%

Sulfates

重 金 属                                           

≤0.001%

<0.001%

Heavy Metals

铁

≤0.002%

<0.002%

Fe

含    量

≥99.0%

 99.31%

Assay

微    粉

100% < 50μm, min 30% < 30μm

Complies

Particle Size

结    论

本品符合规定

Conclusion

The Product meets the requirements