• 结晶碳酸钾 [6381-79-9]

  • 英文名:Potassium carbonate crystal
  • 别名:碳酸钾 半水 碳酸一水合物钾 碳酸钾一点五水合物
  • CAS号:6381-79-9 分子式:CH2K2O4 分子量:156.22
P62812-25g 结晶碳酸钾 [6381-79-9] 99.99% 25g 76.00
P62819-500g 结晶碳酸钾 [6381-79-9] AR 500g 49.00
P62810-500g 结晶碳酸钾 [6381-79-9] CP 500g 39.00
P62811-500g 结晶碳酸钾 [6381-79-9] GR 500g 59.00
P62814-100g 结晶碳酸钾 [6381-79-9] PT 100g 99.00
P62813-25g 结晶碳酸钾 [6381-79-9] SP 25g 76.00
订货编号 商品名称 规格 包装 单价 促销价 会员价 数量
P62812-25g 结晶碳酸钾 [6381-79-9] 99.99% 25g 76.00 76.00 登录可见
P62812-25g 结晶碳酸钾 [6381-79-9] 99.99% 25g 76.00
P62819-500g 结晶碳酸钾 [6381-79-9] AR 500g 49.00 49.00 登录可见
P62819-500g 结晶碳酸钾 [6381-79-9] AR 500g 49.00
P62810-500g 结晶碳酸钾 [6381-79-9] CP 500g 39.00 39.00 登录可见
P62810-500g 结晶碳酸钾 [6381-79-9] CP 500g 39.00
P62811-500g 结晶碳酸钾 [6381-79-9] GR 500g 59.00 59.00 登录可见
P62811-500g 结晶碳酸钾 [6381-79-9] GR 500g 59.00
P62814-100g 结晶碳酸钾 [6381-79-9] PT 100g 99.00 99.00 登录可见
P62814-100g 结晶碳酸钾 [6381-79-9] PT 100g 99.00
P62813-25g 结晶碳酸钾 [6381-79-9] SP 25g 76.00 76.00 登录可见
P62813-25g 结晶碳酸钾 [6381-79-9] SP 25g 76.00
  •  订货编号
  •  商品名称
  •  规格
  •  包装
  •  单价
  •  促销价
  •  会员价
  •  数量

化学性质

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:

 

   

危险性质

危险品标志  Xn
WGK Germany  1
F  3
危险类别码  22-36/38
安全说明  26
 

   

用途及存储

    密封干燥保存。