技术规格说明书
产品名称
磷酸二氢钾 一元 BioUltra, Molecular Biology, anhydrous, ≥99.5% (T)
产品编号
60218
产品品牌
sigma
化学文摘社编号
7778-77-0
分子量
136.09
Test皿 | 规格 |
|---|---|
| APPEARANCE (COLOR) | Colorless or White |
| APPEARANCE (FORM) | Powder or Crystals |
| TITRATION (T) NAOH 1M | 99.5 - 101.0 % |
| METAL TRACE ANALYSIS (ICP) | CORRESPONDS TO REQUIREMENTS |
| 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 |
| LITHIUM (ICP) | ≤ 5 mg/kg |
| MAGNESIUM (ICP) | ≤ 5 mg/kg |
| MANGANESE (ICP) | ≤ 5 mg/kg |
| MOLYBDENUM (ICP) | ≤ 5 mg/kg |
| SODIUM (ICP) | ≤ 50 mg/kg |
| NICKEL (ICP) | ≤ 5 mg/kg |
| LEAD (ICP) | ≤ 5 mg/kg |
| STRONTIUM (ICP) | ≤ 5 mg/kg |
| ZINC (ICP) | ≤ 5 mg/kg |
| ARSENIC TRACES (MHS-AAS) | ≤ 0.1 mg/kg |
| TOTAL SULFUR AS SO4 (ICP) | ≤ 30 mg/kg |
| CHLORIDE (CL) | ≤ 5 mg/kg |
| TOTAL NITROGEN | ≤ 10 mg/kg |
| EXTRANEOUS ACTIVITIES | DNAses, RNAses, Proteases, Phosphatases Not Detectable |
| SOLUBILITY (METHOD) | water 1M |
| APPEARANCE (SOLUTION) | CLEAR COLORLESS |
| PH (SOLUTION) | 4.0 - 4.5 |
| RESIDUE (FILTER TEST) | NO RESIDUE |
| UV - ABS. AT 260 NM | ≤ 0.050 |
| UV - ABS. AT 280 NM | ≤ 0.045 |
| RECOMMENDED RETEST PERIOD | 54 MONTHS |