TIANJIN JINHUITAIYA CHEMICAL REAGENTS CO.,LTD
天津金汇太亚化学试剂有限公司
Test Report of Product 检验报告
品 名: 硼酸(H3BO3) 规格: 分析纯
Product: Boric acid Specification : A R
标准依据: GB/T628-1993 批号: 20100725
Standard: GB/T628-1993 Batch No: 20100725
检验项目
T e s t I t e m
|
检验标准
T e s t S t a n d a r d
|
检验结果
T e s t r e s u l t
|
性状
(Characters)
|
无色透明结晶
(Colourless transparent crysta)
|
合格
(Conform)
|
含量
(Assay)
|
99.5%
|
99.6%
|
澄清度实验
(Appearance of solution)
|
应符合规定
(Comply with the standard)
|
合格
(Conform)
|
乙醇溶解试验
(Ethanol dissolution experiments)
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应符合规定
(Comply with the standard)
|
合格
(Conform)
|
水不溶物
(Water insoluble)
|
0.005%
|
0.004%
|
甲醇不挥发物
(Methanol not volatiles)
|
0.05%
|
0.04%
|
氯化物
(chloride)
|
0.0005%
|
0.0003%
|
硫酸盐
(Sulphates)
|
0.002%
|
0.001%
|
磷酸盐
(Phosphate)
|
0.0005%
|
0.0004%
|
砷
(Arsenic)
|
0.0001%
|
0.0001%
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钙
(Calcium)
|
0.002%
|
0.0005%
|
铁
(Iron)
|
0.0005%
|
0.0004%
|
铅
(Plumbum)
|
0.001%
|
0.001%
|
结论(Conclusion):符合分析纯之规定(The above product complies with AR)
|