技术规格说明书
产品名称
正磷酸钠 十二水合物 BioXtra, ≥98.0% (titration)
产品编号
s7778
产品品牌
sigma
化学文摘社编号
10101-89-0
分子量
380.12
Test皿 | 规格 |
|---|---|
| APPEARANCE (COLOR) | White |
| APPEARANCE (FORM) | Powder or Crystals |
| TITRATION | 98.0 - 102.0 % |
| FREE CARBOXYLIC ACID (T) | FREE ALKALI (AS NAOH) ≤ 3 % |
| ALUMINIUM (ICP) | ≤ 5 mg/kg |
| BARIUM (ICP) | ≤ 5 mg/kg |
| BISMUTH (ICP) | ≤ 5 mg/kg |
| CALCIUM (ICP) | ≤ 10 mg/kg |
| CADMIUM (ICP) | ≤ 5 mg/kg |
| COBALT (ICP) | ≤ 5 mg/kg |
| CHROMIUM (ICP) | ≤ 5 mg/kg |
| COPPER (ICP) | ≤ 5 mg/kg |
| IRON (ICP) | ≤ 5 mg/kg |
| POTASSIUM (ICP) | ≤ 50 mg/kg |
| LITHIUM (ICP) | ≤ 5 mg/kg |
| MAGNESIUM (ICP) | ≤ 5 mg/kg |
| MANGANESE (ICP) | ≤ 5 mg/kg |
| MOLYBDENUM (ICP) | ≤ 5 mg/kg |
| NICKEL (ICP) | ≤ 5 mg/kg |
| LEAD (ICP) | ≤ 5 mg/kg |
| STRONTIUM (ICP) | ≤ 5 mg/kg |
| ZINC (ICP) | ≤ 5 mg/kg |
| TOTAL SULFUR AS SO4 (ICP) | ≤ 50 mg/kg |
| CHLORIDE (CL) | ≤ 50 mg/kg |
| SOLUBILITY (METHOD) | 0.5M IN WATER AT 20 C |
| APPEARANCE (SOLUTION) | CLEAR COLORLESS |
| PH (SOLUTION) | ~ 13.0 |
| RESIDUE (FILTER TEST) | NO RESIDUE |
| UV - ABS. AT 260 NM | ≤ 0.035 |
| UV - ABS. AT 280 NM | ≤ 0.023 |
| RECOMMENDED RETEST PERIOD | 72 MONTHS |