技术规格说明书
产品名称
咖啡酸 suitable for matrix substance for MALDI-MS, ≥99.0% (HPLC)
产品编号
60018
产品品牌
sial
化学文摘社编号
331-39-5
分子量
180.16
Test皿 | 规格 |
|---|---|
| APPEARANCE (COLOR) | White to Light Yellow |
| APPEARANCE (FORM) | Powder |
| TITRATION (T) NAOH 0.1M | 98.5 - 101.5 % |
| PURITY (HPLC AREA %) | ≥ 99.0 % |
| SOLUBILITY (COLOR) | Very Light Yellow to Dark Yellow |
| SOLUBILITY (TURBIDITY) | Clear |
| SOLUBILITY (METHOD) | 1G IN 10ML METHANOL |
| CARBON CONTENT | 60.00 % (THEORY) |
| HYDROGEN CONTENT | 4.48 % (THEORY) |
| PROTON NMR SPECTRUM | CONFORMS TO STRUCTURE |
| TEST BY UV SPECTROSCOPY | CORRESPONDS TO REQUIREMENTS |
| METAL TRACE ANALYSIS (ICP) | CORRESPONDS TO REQUIREMENTS |
| BARIUM (ICP) | ≤ 5 mg/kg |
| CALCIUM (ICP) | ≤ 20 mg/kg |
| CADMIUM (ICP) | ≤ 5 mg/kg |
| COBALT (ICP) | ≤ 5 mg/kg |
| CHROMIUM (ICP) | ≤ 5 mg/kg |
| COPPER (ICP) | ≤ 5 mg/kg |
| IRON (ICP) | ≤ 20 mg/kg |
| POTASSIUM (ICP) | ≤ 50 mg/kg |
| MAGNESIUM (ICP) | ≤ 5 mg/kg |
| MANGANESE (ICP) | ≤ 5 mg/kg |
| SODIUM (ICP) | ≤ 50 mg/kg |
| NICKEL (ICP) | ≤ 20 mg/kg |
| LEAD (ICP) | ≤ 5 mg/kg |
| ZINC (ICP) | ≤ 5 mg/kg |
| RECOMMENDED RETEST PERIOD | 42 MONTHS |