技术规格说明书
产品名称
柠檬酸二钠 purum p.a., anhydrous, ≥99.0% (T)
产品编号
71498
产品品牌
aldrich
化学文摘社编号
18996-35-5
分子量
214.11
Test皿 | 规格 |
|---|---|
| APPEARANCE (COLOR) | Colorless or White |
| APPEARANCE (FORM) | Powder or Solid |
| TITRATION (T) NAOH 0.1M | 99.0 - 101.0 % |
| SOLUBILITY (COLOR) | Colorless |
| SOLUBILITY (TURBIDITY) | Clear |
| SOLUBILITY (METHOD) | water 50mg/mL |
| PH | 3.5 - 3.8 |
| INFRARED SPECTRUM | CONFORMS TO STRUCTURE |
| METAL TRACE ANALYSIS (ICP) | CORRESPONDS TO REQUIREMENTS |
| CALCIUM (ICP) | ≤ 50 mg/kg |
| CADMIUM (ICP) | ≤ 50 mg/kg |
| COBALT (ICP) | ≤ 50 mg/kg |
| COPPER (ICP) | ≤ 50 mg/kg |
| IRON (ICP) | ≤ 50 mg/kg |
| POTASSIUM (ICP) | ≤ 100 mg/kg |
| NICKEL (ICP) | ≤ 50 mg/kg |
| LEAD (ICP) | ≤ 50 mg/kg |
| ZINC (ICP) | ≤ 50 mg/kg |
| CHLORIDE (CL) | ≤ 50 mg/kg |
| SULFATE (SO4) | ≤ 50 mg/kg |
| RECOMMENDED RETEST PERIOD | 72 MONTHS |