结晶碳酸钾|6381-79-9|碳酸钾半水;碳酸一水合物钾;碳酸钾一点五水合物|艾科试剂

货号	品名	产品规格	包装	单价(RMB)	可用库存	备注
107448	结晶碳酸钾	AR	500g	38.00	>10	15021
107447	结晶碳酸钾	CP	500g	39.00	>10	15021
107446	结晶碳酸钾	GR	500g	59.00	>10	15021
107445	结晶碳酸钾	99.99%	25g	65.00	>10	15021
107444	结晶碳酸钾	SP	25g	76.00	>10	15021
107443	结晶碳酸钾	PT	100g	99.00	>10	15021

性状

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。

质量标准

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(K₂CO₃•3/2H₂O)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SO₄计)Sulfur compounds,%     ≤0.002           0.005
氮化合物(N)Nitrogen compounds,%           ≤0.005           0.005
磷酸盐(PO₄)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(K₂CO₃•3/2H₂O)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(PO₄)Phosphate                    ≤0.001%
二氧化硅(以SiO₂计)Silica                ≤0.005%
硫化合物(以SO₄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: