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) 淡黄色结晶性粉末 (Pale yellow crystalline powder) 合格 (Conform) 含量 (Assay) 99.0% 99.5% 澄清度实验 (Appearance of solution) 应符合规定 (Comply with the standard) 合格 (Conform) 稀硫酸不溶物 (Dilute sulphuric acid insoluble substance) 0.01% 0.0045% 游离碱 (Free alkali) 应符合规定 (Comply with the standard) 合格 (Conform) 氯化物 (Chloride) 0.001% 0.0006% 硫化合物 (Sulfur compounds) 0.01% 0.004% 硝酸盐 (Nitrites) 0.003% 0.0012% 锰 (Manganese) 0.0005% 0.0003% 铁 (Iron) 0.0005% 0.0002% 砷 (Arsenic) 0.00005% 0.00003% 铅 (Plumbum) 0.005% 0.002% 还原高锰酸钾物质 (Potassium permanganate-reducing) 0.002% 0.001% 硫化铵不沉淀物 (Non-sludging to ammonium sulfide) 0.1% 0.06% 结论(Conclusion)：符合分析纯之规定(The above product complies with AR)
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