22979 结晶碳酸钾 AR 500g 49
22980 结晶碳酸钾 CP 500g 39
22981 结晶碳酸钾 GR 500g 59
22982 结晶碳酸钾 99.99% 25g 76
22983 结晶碳酸钾 SP 25g 76
22984 结晶碳酸钾 PT 100g 99
无色结晶或白色颗粒。密度:2.043 ,吸湿性。当含有充分水分后(16.36%)不吸湿。易溶于水，几乎不溶于乙醇。水溶液呈强碱性。有刺激性。
Q/(GH)SJ476-92 外观Appearance White Powder X-射线衍射分析X-Ray Diffraction Conforms to Structure 纯度Purity ≥99.99% Based on Trace Metals Impurities 总氮total nitrogen (N) ≤10 ppm 氯chloride (Cl-): ≤10 ppm 磷酸phosphate (PO43-): ≤0.05 ppm 硅酸盐silicate (as SiO2): ≤5 ppm 硫酸根sulfate (SO42-): ≤10 ppm Al: ≤0.05 ppm As: ≤0.01 ppm Ba: ≤5 ppm Ca: ≤0.5 ppm Cd: ≤0.01 ppm Ce: ≤0.01 ppm Co: ≤0.01 ppm Cr: ≤0.01 ppm Cu: ≤0.01 ppm Eu: ≤0.01 ppm Fe: ≤0.05 ppm Hg: ≤0.005 ppm La: ≤0.01 ppm Li: ≤0.2 ppm Mg: ≤0.1 ppm Mn: ≤0.05 ppm Na: ≤10 ppm Ni: ≤0.01 ppm Pb: ≤0.01 ppm Sc: ≤0.01 ppm Sm: ≤0.01 ppm Sr: ≤0.5 ppm Tl: ≤0.01 ppm Y: ≤0.01 ppm Yb: ≤0.01 ppm Zn: ≤0.05 ppm 项目ltem 分析纯　　　　　化学纯 　　　　　　　　　　　　　　　　　　　 (AR) (CP) 含量(K 2 CO 3 ?3/2H 2 O)Assay,% 99.0～100.2　　 98.0～100.5 水不溶物lnsoluble matter in water,% ≤0.005 0.02 氯化物及氯酸盐(以Cl计)Chloride and chlotate,% ≤0.001 0.005 硫化合物(以SO 4 计)Sulfur compounds,% ≤0.002 0.005 氮化合物(N)Nitrogen compounds,% ≤0.005 0.005 磷酸盐(PO 4 )Phosphate,% ≤0.003 0.01 硅酸盐及氨沉淀物Silicate and substan- ces precipitatde by ammonia solution,% ≤0.005 0.003 钙及镁(Ca+Mg)Calcium and magnesium,% ≤0.01 0.05 铁(Fe)Iron,% ≤0.0005 0.001 砷(As)Arsenic,% ≤0.00003 0.00003 重金属(以Pb计)Heavy metals,% ≤0.0003 0.0003 ACS级 项目名称　 ACS Grade 含量(K 2 CO 3 ?3/2H 2 O)Assay 98.5-101.0% 干燥失重(285℃)Loss on heating at 285℃ 14.0-16.5% 水不溶物 Insoluble matter ≤0.01% 氯化物(Cl)Chloride ≤0.003% 磷酸盐(PO 4 )Phosphate ≤0.001% 二氧化硅(以SiO 2 计)Silica ≤0.005% 硫化合物(以SO 4 计)Sulfur compounds ≤0.004% 重金属(以Pb计)Heavy metals ≤5ppm 铁(Fe)Iron ≤5ppm 钙(Ca)Calcium ≤0.005% 镁(Mg)Magnesium ≤0.002% 钠(Na)Sodium ≤0.02% 99.99% metals basis:
危险品标志 Xn WGK Germany 1 F 3 危险类别码 22-36/38 安全说明 26