草酸钾 [6487-48-5]
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英文名:Potassium oxalate monohydrate
- 别名:草酸二钾一水合物 乙二酸钾
- CAS号:6487-48-5 分子式:C2H2K2O5 分子量:184.23
P63649-500g 草酸钾 [6487-48-5] AR 500g 55.00 促销价:38.50
P63641-500g 草酸钾 [6487-48-5] GR 500g 66.00 促销价:46.20
P63643-100g 草酸钾 [6487-48-5] PT 100g 50.00
订货编号 | 商品名称 | 规格 | 包装 | 单价 | 促销价 | 会员价 | 数量 |
P63642-25g | 草酸钾 [6487-48-5] | 99.99% | 25g | 88.00 | 88.00 | 登录可见 |
P63642-25g
草酸钾 [6487-48-5] 99.99% 25g 88.00
|
P63649-500g | 草酸钾 [6487-48-5] | AR | 500g | 55.00 | 38.50 | 登录可见 |
P63649-500g
草酸钾 [6487-48-5] AR 500g 55.00 促销价:38.50
|
P63641-500g | 草酸钾 [6487-48-5] | GR | 500g | 66.00 | 46.20 | 登录可见 |
P63641-500g
草酸钾 [6487-48-5] GR 500g 66.00 促销价:46.20
|
P63643-100g | 草酸钾 [6487-48-5] | PT | 100g | 50.00 | 50.00 | 登录可见 |
P63643-100g
草酸钾 [6487-48-5] PT 100g 50.00
|
化学性质
质量标准
GB/T695-94
项目ltem 分析纯 化学纯
(AR) (CP)
含量(K2C2O4•H2O)Assay,% ≥ 99.8 99.5
pH(50g/L溶液,25℃)pH of water solution 7.2-8.2 7.2-8.2
澄清度试验Clarity 合格 合格
水不溶物lnsoluble matter in water,% ≤ 0.003 0.02
氯化物(Cl)Chloridea,% ≤ 0.001 0.005
硫化合物(S)Sulfale compounds,% ≤ 0.01 0.03
总氮量(N)Total nitrogen,% ≤ 0.002 0.005
磷酸盐(PO4)Phosphate,% ≤ 0.001 0.005
钠(Na)Sodium,% ≤ 0.02 0.05
铁(Fe)Iron,% ≤ 0.0005 0.001
重金属(以Pb计)Heavy metals,% ≤ 0.0005 0.001
易碳化物质Readily carbonizable substance 合格 合格
品级Grade ACS级
(ACS, 99.5-101.0%)
含量assay 99.5-101.0%
重金属heavy metals (as Pb) ≤0.001%
总氮total nitrogen (N) ≤0.001%
pH 7.0-8.5 (20 °C, 5%)
氯chloride (Cl-): ≤10 ppm
磷酸phosphate (PO43-): ≤10 ppm
硫酸根sulfate (SO42-): ≤100 ppm
铁Fe: ≤10 ppm
钠Na: ≤200 ppm
硫酸反应试验Test for reaction against H2SO4
99.995% metals basis:
外观Appearance white crystals or powder
X-射线衍射分析X-Ray Diffraction Conforms to Structure
红外光谱鉴别Infrared spectrometry Conforms to Structure
纯度Purity ≥99.995% Based on Trace Metals Impurities of ICP
总金属杂质total metallic impurities ≤50ppm by ICP Atomic emission
危险性质
危险品标志 Xn
危险类别码 21/22
WGK Germany 1
HazardClass 6.1
PackingGroup III
安全说明 24/25
用途及存储
用于制药物和漂白剂等 用作分析试剂,也用于防止血液的凝固、制药工业和影片洗印