技术规格说明书
产品名称
硫酸镁 溶液 BioUltra, Molecular Biology
产品编号
83266
产品品牌
sigma
化学文摘社编号
7487-88-9
分子量
120.37
Test皿 | 规格 |
|---|---|
| APPEARANCE (COLOR) | Colorless |
| APPEARANCE (FORM) | Liquid |
| TITRATION (METHOD) | KOMPLEXOMETRIC |
| TITRATION (KT) (MOLARITY) | 2.4 - 2.6 MOL/L |
| DENSITY D20/4 | 1.260 - 1.280 |
| METAL TRACE ANALYSIS (ICP) | CORRESPONDS TO REQUIREMENTS |
| ALUMINIUM (ICP) | ≤ 1 mg/kg |
| BARIUM (ICP) | ≤ 1 mg/kg |
| BISMUTH (ICP) | ≤ 1 mg/kg |
| CALCIUM (ICP) | ≤ 20 mg/kg |
| CADMIUM (ICP) | ≤ 1 mg/kg |
| COBALT (ICP) | ≤ 1 mg/kg |
| CHROMIUM (ICP) | ≤ 1 mg/kg |
| COPPER (ICP) | ≤ 1 mg/kg |
| IRON (ICP) | ≤ 1 mg/kg |
| POTASSIUM (ICP) | ≤ 20 mg/kg |
| LITHIUM (ICP) | ≤ 1 mg/kg |
| MANGANESE (ICP) | ≤ 1 mg/kg |
| MOLYBDENUM (ICP) | ≤ 1 mg/kg |
| SODIUM (ICP) | ≤ 20 mg/kg |
| NICKEL (ICP) | ≤ 1 mg/kg |
| LEAD (ICP) | ≤ 1 mg/kg |
| STRONTIUM (ICP) | ≤ 1 mg/kg |
| ZINC (ICP) | ≤ 1 mg/kg |
| ARSENIC TRACES (MHS-AAS) | ≤ 0.1 mg/kg |
| CHLORIDE (CL) | ≤ 5 mg/kg |
| TOTAL NITROGEN | ≤ 20 mg/kg |
| EXTRANEOUS ACTIVITIES | DNAses, RNAses, Proteases, Phosphatases Not Detectable |
| SOLUBILITY (METHOD) | neat |
| APPEARANCE (SOLUTION) | CLEAR COLORLESS |
| PH (SOLUTION) | 6.5 - 8.5 |
| RESIDUE (FILTER TEST) | NO RESIDUE |
| UV - ABS. AT 260 NM | ≤ 0.03 |
| UV - ABS. AT 280 NM | ≤ 0.02 |
| RECOMMENDED RETEST PERIOD | 48 MONTHS |