硫酸氢钾,酸式硫酸钾焦硫酸鉀重硫酸鉀,7646-93-7,化夏试剂

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硫酸氢钾 [7646-93-7]
英文名：Potassium bisulfate
别名：酸式硫酸钾焦硫酸鉀重硫酸鉀
CAS号：7646-93-7 分子式：HKO4S 分子量：136.17

T60777-25g 硫酸氢钾 [7646-93-7] 99.99% 25g 66.00
T60773-500g 硫酸氢钾 [7646-93-7] AR 500g 66.00 促销价:41.58
T60775-500g 硫酸氢钾 [7646-93-7] GR 500g 75.00 促销价:47.25
T60778-100g 硫酸氢钾 [7646-93-7] PT 100g 75.00
T60776-25g 硫酸氢钾 [7646-93-7] SP 25g 66.00

订货编号	商品名称	规格	包装	单价	促销价	会员价	数量
T60777-25g	硫酸氢钾 [7646-93-7]	99.99%	25g	66.00	66.00	登录可见	T60777-25g 硫酸氢钾 [7646-93-7] 99.99% 25g 66.00
T60773-500g	硫酸氢钾 [7646-93-7]	AR	500g	66.00	41.58	登录可见	T60773-500g 硫酸氢钾 [7646-93-7] AR 500g 66.00 促销价:41.58
T60775-500g	硫酸氢钾 [7646-93-7]	GR	500g	75.00	47.25	登录可见	T60775-500g 硫酸氢钾 [7646-93-7] GR 500g 75.00 促销价:47.25
T60778-100g	硫酸氢钾 [7646-93-7]	PT	100g	75.00	75.00	登录可见	T60778-100g 硫酸氢钾 [7646-93-7] PT 100g 75.00
T60776-25g	硫酸氢钾 [7646-93-7]	SP	25g	66.00	66.00	登录可见	T60776-25g 硫酸氢钾 [7646-93-7] SP 25g 66.00

化学性质

白色片状或粒状结晶。易潮解。溶于水，溶液呈强酸性。温度再高即失水变为焦硫酸钾。防潮、密封保存。在乙醇中分解。高温时失去水分并易成为焦硫酸盐。熔点 214 °C(lit.) 密度 2.512 g/mL at 25 °C(lit.) 储存条件 5-15°C 溶解度 H2O: 1 M at 20 °C, clear, colorless

质量标准

99.995% metals basis:

外观Appearance                                   White or Opaque Crystals or Crystalline Powder
X-射线衍射分析X-Ray Diffraction         Conforms to Structure
纯度Purity                                                 ≥99.995% Based on Trace Metals Impurities
ICP:                                                          Confirms K and S Components Confirmed
总痕量金属杂质total metallic impurities ≤50ppm by ICP Atomic emission
总氮total nitrogen (N)                             ≤10 ppm
氯chloride (Cl-):                                       ≤5 ppm
磷酸盐phosphate (PO43-):                    ≤10 ppm
Al:                                   ≤0.1 ppm
As:                                   ≤0.01 ppm
Ba:                                   ≤0.5 ppm
Be:                                   ≤0.01 ppm
Ca:                                   ≤5 ppm
Cd:                                   ≤0.01 ppm
Ce:                                   ≤0.05 ppm
Co:                                   ≤0.01 ppm
Cr:                                   ≤0.5 ppm
Cu:                                   ≤0.02 ppm
Dy:                                   ≤0.01 ppm
Er:                                   ≤0.01 ppm
Eu:                                   ≤0.01 ppm
Fe:                                   ≤1 ppm
Ga:                                   ≤0.05 ppm
Gd:                                   ≤0.01 ppm
Hg:                                   ≤0.005 ppm
Ho:                                   ≤0.01 ppm
In:                                   ≤0.01 ppm
La:                                   ≤0.01 ppm
Li:                                   ≤0.2 ppm
Lu:                                   ≤0.01 ppm
Mg:                                   ≤1 ppm
Mn:                                   ≤0.02 ppm
Mo:                                   ≤0.05 ppm
Na:                                   ≤5 ppm
Nd:                                   ≤0.05 ppm
Ni:                                   1 ppm
Pb:                                   ≤0.05 ppm
Pr:                                   ≤0.01 ppm
Sc:                                   ≤0.05 ppm
Sm:                                   ≤0.01 ppm
Sr:                                   ≤5 ppm
Tb:                                   ≤0.01 ppm
Th:                                   ≤0.01 ppm
Ti:                                   ≤0.05 ppm
Tl:                                   ≤0.02 ppm
Tm:                                   ≤0.01 ppm
U:                                    ≤0.01 ppm
V:                                    ≤0.01 ppm
Y:                                    ≤0.01 ppm
Yb:                                   ≤0.01 ppm
Zn:                                   ≤0.1 ppm

HG/T3-915-76
项目ltem                                                    分析纯          　   化学纯
                                                                    (AR)                 (CP)
含量(KHSO4)Assay,%                         ≥ 99.0～101.0          99.0～101.0
澄清度试验Clarity                                     合格                 合格
水不溶物lnsoluble matter in water,% ≤ 0.002                0.005
氯化物(Cl)Chloride,%                          ≤ 0.0005               0.002
氮化合物(N)Nitrogen compounds,% ≤ 0.002                0.005
磷酸盐(PO4)Phosphate,%                     ≤ 0.001                0.002
硅酸盐(SiO3)Silicate,%                        ≤ 0.001                0.005
钠(Na)Sodium,%                                 ≤ 0.02                 0.05
镁(Mg)Magnesium,%                          ≤ 0.0005               0.002
铝(Al)Alumium,%                                 ≤ 0.001                0.005
钙(Ca)Calcium,%                              ≤ 0.002                0.005
铁(Fe)Iron,%                                        ≤ 0.0005               0.002
砷(As)Arsenic,%                                   ≤ 0.0003               0.0005
重金属(以Pb计)Heavy metals,%        ≤ 0.0005               0.002

99.99% metals basis:

外观Appearance                          White or Opaque Crystals or Crystalline Powder
X-射线衍射分析X-Ray Diffraction         Conforms to Structure
纯度Purity                              ≥99.99% Based on Trace Metals Impurities
滴定纯度Purity (Titration by NAOH)      96.5 - 103.5 %
ICP:                                    Confirms K and S Components Confirmed
总痕量金属杂质total metallic impurities ≤200ppm by ICP Atomic emission