檢 驗 項 目 T e s t I t e m 檢 驗 標 準 T e s t S t a n d a r d 檢 驗 結 果 T e s t r e s u l t 性狀 (Characters) 淡黃色結晶性粉末 (Pale yellow crystalline powder) 合格 (Conform) 含量 (Assay) 99.0% 99.5% 澄清度實驗 (Appearance of solution) 應符合規定 (Comply with the standard) 合格 (Conform) 稀硫酸不溶物 (Dilute sulphuric acid insoluble substance) 0.01% 0.0045% 游離堿 (Free alkali) 應符合規定 (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% 硝酸鹽 (Nitrites) 0.003% 0.0012% 錳 (Manganese) 0.0005% 0.0003% 鐵 (Iron) 0.0005% 0.0002% 砷 (Arsenic) 0.00005% 0.00003% 鉛 (Plumbum) 0.005% 0.002% 還原高錳酸鉀物質 (Potassium permanganate-reducing) 0.002% 0.001% 硫化銨不沉淀物 (Non-sludging to&