品 名: 氯化亚铁(feci2·4h2o) 规格: 分析纯
product: iron chloride tetrahydrate specification : ar
标准依据: 企标 批号: 20120110
standard: qb batch no: 20120110
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) |
蓝绿色结晶 (pale green crystallization) |
合格 (conform) |
含量 (assay) |
99.7% |
99.8% |
水溶解试验 (water dissolution test) |
应符合规定 (comply with the standard) |
合格 (conform) |
硫酸盐 (sulphates) |
0.02% |
0.005% |
铁(fe3+) (ferrous) |
0.01% |
0.005% |
铜 (cuprum) |
0.015% |
0.003% |
锌 (zinc) |
0.025% |
0.012% |
砷 (arsenic) |
0.0002% |
0.0001% |
碱和碱土金属 (以硫酸盐计) |
0.04% |
0.01% |
结论(conclusion):符合分析纯之规定(the above product complies with ar) |