硫酸氢钾|7646-93-7|酸式硫酸钾;焦硫酸鉀;重硫酸鉀|艾科试剂

货号	品名	产品规格	包装	单价(RMB)	可用库存	备注
106969	硫酸氢钾	AR	500g	45.00	>10	15021
106968	硫酸氢钾	CP	500g	32.00	>10	15021
106967	硫酸氢钾	GR	500g	86.00	>10	15021
106966	硫酸氢钾	SP	25g	45.00	>10	15021
106965	硫酸氢钾	99.99%	25g	66.00	>10	15021
106964	硫酸氢钾	PT	100g	76.00	>10	15021

性状

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

用途

用作分析试剂、防腐剂、分析硅时用作熔剂

危险性质

危险品标志 C
WGK Germany 1
RTECS号 TS7200000
F 3
HazardClass 8
PackingGroup II
危险类别码 34-37
安全说明 26-36/37/39-45

贮存

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