技术规格说明书
产品名称
氯化镁 溶液 BioUltra, Molecular Biology, 2 M in H2O
产品编号
68475
产品品牌
sigma
化学文摘社编号
7786-30-3
分子量
95.21
Test皿 | 规格 |
|---|---|
| APPEARANCE (COLOR) | Colorless |
| APPEARANCE (FORM) | Liquid |
| TITRATION (METHOD) | KOMPLEXOMETRIC |
| TITRATION (KT) (MOLARITY) | 1.90 - 2.10 mol/l |
| DENSITY D20/4 | 1.040 - 1.240 |
| METAL TRACE ANALYSIS (ICP) | CORRESPONDS TO REQUIREMENTS |
| ALUMINIUM (ICP) | ≤ 1.0 mg/kg |
| BARIUM (ICP) | ≤ 1.0 mg/kg |
| BISMUTH (ICP) | ≤ 1.0 mg/kg |
| CALCIUM (ICP) | ≤ 10 mg/kg |
| CADMIUM (ICP) | ≤ 1.0 mg/kg |
| COBALT (ICP) | ≤ 1.0 mg/kg |
| CHROMIUM (ICP) | ≤ 1.0 mg/kg |
| COPPER (ICP) | ≤ 1.0 mg/kg |
| IRON (ICP) | ≤ 1.0 mg/kg |
| POTASSIUM (ICP) | ≤ 500 mg/kg |
| LITHIUM (ICP) | ≤ 1.0 mg/kg |
| MANGANESE (ICP) | ≤ 1.0 mg/kg |
| MOLYBDENUM (ICP) | ≤ 1.0 mg/kg |
| SODIUM (ICP) | ≤ 100 mg/kg |
| NICKEL (ICP) | ≤ 1.0 mg/kg |
| LEAD (ICP) | ≤ 1.0 mg/kg |
| STRONTIUM (ICP) | ≤ 1.0 mg/kg |
| ZINC (ICP) | ≤ 1.0 mg/kg |
| ARSENIC TRACES (MHS-AAS) | ≤ 0.1 mg/kg |
| TOTAL SULFUR AS SO4 (ICP) | ≤ 20 mg/kg |
| TOTAL NITROGEN | ≤ 2.0 mg/kg |
| PHOSPHATE (PO4) | ≤ 5.0 mg/kg |
| EXTRANEOUS ACTIVITIES | DNAses, RNAses, Proteases, Phosphatases Not Detectable |
| SOLUBILITY (METHOD) | IN SUBSTANZ (2M) |
| APPEARANCE (SOLUTION) | CLEAR COLORLESS |
| PH (SOLUTION) | 3.0 - 5.0 |
| RESIDUE (FILTER TEST) | NO RESIDUE |
| UV - ABS. AT 260 NM | ≤ 0.04 |
| UV - ABS. AT 280 NM | ≤ 0.03 |
| RECOMMENDED RETEST PERIOD | 48 MONTHS |