碳酸氢钾|298-14-6|酸式碳酸钾;重碳酸钾|艾科试剂

货号	品名	产品规格	包装	单价(RMB)	可用库存	备注
107009	碳酸氢钾	AR	500g	21.00	>10	促销
107008	碳酸氢钾	GR	500g	25.00	>10	15021
107007	碳酸氢钾	CP	500g	18.00	>10	促销
107006	碳酸氢钾	99.99%	25g	88.00	>10	15021
107005	碳酸氢钾	SP	25g	88.00	>10	15021
107004	碳酸氢钾	PT	100g	86.00	>10	15021

性状

无色透明单斜晶系结晶。可溶于水，难溶于酒精
熔点 292 °C
密度 2,17 g/cm3
储存条件 Store at RT.
溶解度 H2O: 1 M at 20 °C, clear, colorless

质量标准

Q/(HG)SJ 683-95
项目ltem                                                    分析纯　　　　化学纯
          (AR)                 (CP)
含量(KClO₃)Assay,%                              ≥99.5          99.0
pH(50g/L,25℃)pH of water solution   ≤8.6           8.6
澄清度试验Clarity                                    合格　　　　　合格
水不溶物lnsoluble matter in water,%  ≤0.002         0.01
氯化物及氯酸盐(以Cl计)Chloride  an-
chlotate,%                                              ≤0.05          0.01
硫化合物(以SO₄计)Sulfur compounds,%  ≤0.05          0.01
总氮量(N)Total nitrogen,%              ≤0.001         0.002
磷酸盐(PO₄)Phosphate,%               ≤0.002         0.005
硅酸盐(SiO₃)Silicate,%                   ≤0.005         0.01
钠(Na)Sodium,%                              ≤0.02          0.05
镁(Mg)Magnesium，%                   ≤0.03          0.005
铝(Al)Aluminum,%                          ≤0.002         0.005
钙(Ca)Calcium,%                           ≤0.002         0.01
铁(Fe)lron，%                                 ≤0.0005        0.001
重金属(以Pb计)Heavy metals,%         ≤0.0005        0.002

品级Grade                          ACS, 99.7-100.5% (干重纯度)
                              (ACS reagent, 99.7-100.5% dry basis)
外观Appearance                     White Powder,Granular Crystals, or Crystals
红外光谱Infrared spectrum          Conforms to Structure
滴定Titration by HCL (dry basis)   99.7- 100.5 %
不溶物Insoluble matter             ≤0.01 %
浓度Concentration:                 ≤10% in Hot Water
氯化物Chloride Content             ≤0.001 %
铁Iron (Fe)                        ≤5 ppm
重金属Heavy Metals (as Lead)       ≤5 ppm
钠Sodium (Na)                      ≤0.03 %
铵Ammonium                         ≤5 ppm
磷酸盐Phosphate                    ≤5 ppm
钙Calcium (Ca)                     ≤0.002 %
镁Magnesium (Mg)                   ≤0.001 %
硫化合物Sulfur compounds           ≤0.003 %

≥99.99% metals basis, 99.7-100.5% dry basis:

外观Appearance                          白色结晶或结晶粉末
纯度Purity                              ≥99.99% Based On Trace Metals Analysis of ICP AND AA Combined
含量Assay(Dried Basis)                  99.7 - 100.5 % (Titration by HCL)
不溶物Insoluble matter                  ≤0.01 %
钙Calcium (Ca)                          ≤0.002 %
氯Chloride Content                      ≤0.001 %
铁Iron (Fe)                             ≤5.0 ppm
重金属Heavy Metal (as Lead)             ≤5.0 ppm
镁Magnesium (Mg)                        ≤0.001 %
钠Sodium (Na)                           ≤0.03 %
铵Ammonium (NH4)                        ≤5.0 ppm
磷酸根Phosphate (PO4)                   ≤5.0 ppm
硫化合物Sulfur compounds                ≤0.003 %
痕量金属分析Trace Metal Analysis        ≤100ppm by ICP Atomic emission
痕量金属分析Trace Metal Analysis        ≤100ppm by Atomic Absorption