TIANJIN JINHUITAIYA CHEMICAL REAGENTS CO.,LTD
天津金匯太亞化學試劑有限公司
Test Report of Product 檢驗報告
品 名: 碳酸鉀(K2CO3) 規格: 分析純
Product: Potassium carbonate Specification : A R
標準依據: GB/T1397-1995 批號: 20110316
Standard: GB/T1397-1995 Batch No: 20110316
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) 白色顆粒
(White granules) 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)
水不溶物
(water-insoluble ) 0.005% 0.002%
干燥失重
(Loss on drying) 1.0% 0.3%
氯化物
(Chloride) 0.003% 0.0016%
硫化合物
(Sulfur compounds) 0.003% 0.001%
氮
(nitrogen) 0.001% 0.0005%
磷酸鹽及硅酸鹽
(phosphate and silicate) 0.005% 0.002%
鈉
(Sodium) 0.05% 0.01%
鎂
(magnesium ) 0.002% 0.001%
鈣
(Calcium) 0.002% 0.001%
鐵
(Iron) 0.0005% 0.0002%
銅
(Cuprum) 0.0005% 0.0003%
鉛
(plumbum) 0.0005% 0.0003%
結論(Conclusion):符合分析純之規定(The above product complies with AR)