产品说明
分析说明
Purity (metallic): ≥ 99.995 %
Assay of KOH‧1H₂O: ≥ 85 %
Assay of potassium carbonate: ≤ 1.0 %
Chloride (Cl): ≤ 1.0 ppm
Phosphate (PO₄): ≤ 0.05 ppm
Silicate (as SiO₂): ≤ 5 ppm
Sulfate (SO₄): ≤ 5 ppm
Al (Aluminium): ≤ 0.05 ppm
As (Arsenic): ≤ 0.1 ppm
Ba (Barium): ≤ 10.0 ppm
Ca (Calcium): ≤ 0.5 ppm
Cd (Cadmium): ≤ 0.01 ppm
Ce (Cerium): ≤ 0.01 ppm
Co (Cobalt): ≤ 0.010 ppm
Cr (Chromium): ≤ 0.010 ppm
Cu (Copper): ≤ 0.010 ppm
Eu (Europium): ≤ 0.010 ppm
Fe (Iron): ≤ 0.05 ppm
Hg (Mercury): ≤ 0.01 ppm
La (Lanthanum): ≤ 0.010 ppm
Li (Lithium): ≤ 0.5 ppm
Mg (Magnesium): ≤ 0.10 ppm
Mn (Manganese): ≤ 0.050 ppm
Na (Sodium): ≤ 5 ppm
Ni (Nickel): ≤ 0.010 ppm
Pb (Lead): ≤ 0.010 ppm
Sc (Scandium): ≤ 0.010 ppm
Sm (Samarium): ≤ 0.010 ppm
Sr (Strontium): ≤ 0.50 ppm
Tl (Thallium): ≤ 0.01 ppm
Y (Yttrium): ≤ 0.010 ppm
Yb (Ytterbium): ≤ 0.010 ppm
Zn (Zinc): ≤ 0.050 ppm
法律信息
SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
| 经验(实验)分子式 | HKO · xH2O |
| 分子量 | 56.11 (anhydrous basis) |
| EC索引号 | 246-324-8 |
产品性质
| 等级 | for inorganic trace analysis |
| 质量水平 | 100 |
| 测定 | 99.995% |
| 效能 | 333 mg/kg LD50, oral (Rat) |
| pH值(酸碱度) | >13.5 (20 ℃, 50 g/L in H2O) |
| bp | 1320 ℃/1013 hPa |
| mp | 143 ℃ |
| 储存温度 | 2-30℃ |
安全信息
| 象形图 |   |
| 警示用语： | Danger |
| 危险声明 | H290 - H302 - H314 |
| 预防措施声明 | P234 - P260 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338 |
| 危险分类 | Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A |
| 储存分类代码 | 8A - Combustible, corrosive hazardous materials |
| WGK | WGK 1 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
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