技术规格说明书
产品名称
乙二酸钠 puriss. p.a., ACS reagent, ≥99.5% (RT)
产品编号
71800
产品品牌
sigald
化学文摘社编号
62-76-0
分子量
134.00
Test皿 | 规格 |
|---|---|
| APPEARANCE (COLOR) | Colorless or White |
| APPEARANCE (FORM) | Powder or Crystals |
| REDOX TITRATION | 99.5 - 101.0 % |
| REDOXTITRATION (METHOD) | PERMANGANATE TITRATION |
| SOLUBILITY (COLOR) | Colorless |
| SOLUBILITY (TURBIDITY) | Clear |
| SOLUBILITY (METHOD) | 0.25G IN 10ML WATER |
| PH | 7 - 8.5 |
| LOSS ON DRYING | ≤ 0.01 % |
| ACS SPECIFICATIONS | CORRESPONDS TO REQUIREMENTS |
| REMARKS ON ACS | Insoluble matter ≤ 0.005% Neutrality Passes test Heavy metals (as Pb) ≤ 0.002% Substances darkened by hot sulfuric acid Passes test |
| METAL TRACE ANALYSIS (ICP) | CORRESPONDS TO REQUIREMENTS |
| CALCIUM (ICP) | ≤ 100 mg/kg |
| CADMIUM (ICP) | ≤ 10 mg/kg |
| COBALT (ICP) | ≤ 5 mg/kg |
| CHROMIUM (ICP) | ≤ 5 mg/kg |
| COPPER (ICP) | ≤ 5 mg/kg |
| IRON (ICP) | ≤ 10 mg/kg |
| POTASSIUM (ICP) | ≤ 50 mg/kg |
| MAGNESIUM (ICP) | ≤ 10 mg/kg |
| MANGANESE (ICP) | ≤ 50 mg/kg |
| NICKEL (ICP) | ≤ 5 mg/kg |
| LEAD (ICP) | ≤ 5 mg/kg |
| ZINC (ICP) | ≤ 5 mg/kg |
| TOTAL SULFUR AS SO4 (ICP) | ≤ 20 mg/kg |
| CHLORIDE (CL) | ≤ 20 mg/kg |
| ION CHROMATOGRAPHY (NH4+) | ≤ 20 mg/kg |
| RECOMMENDED RETEST PERIOD | 72 MONTHS |