技术规格说明书
产品名称
乙二醇 BioUltra, ≥99.5% (GC)
产品编号
03747
产品品牌
sigma
化学文摘社编号
107-21-1
分子量
62.07
Test皿 | 规格 |
|---|---|
| APPEARANCE (COLOR) | Colorless |
| APPEARANCE (FORM) | CLEAR (VISCOUS) LIQUID |
| FREE CARBOXYLIC ACID (T) | ≤ 0.002 % (AS ACOH) |
| PURITY (GC AREA %) | ≥ 99.5 % |
| REFRACTIVE INDEX N20/D | 1.430 - 1.432 |
| WATER (COULOMETR.) | ≤ 0.1 % |
| INFRARED SPECTRUM | CONFORMS TO STRUCTURE |
| METAL TRACE ANALYSIS (ICP) | CORRESPONDS TO REQUIREMENTS |
| ALUMINIUM (ICP) | ≤ 0.5 mg/kg |
| BARIUM (ICP) | ≤ 0.1 mg/kg |
| BISMUTH (ICP) | ≤ 0.1 mg/kg |
| CALCIUM (ICP) | ≤ 0.5 mg/kg |
| CADMIUM (ICP) | ≤ 0.05 mg/kg |
| COBALT (ICP) | ≤ 0.02 mg/kg |
| CHROMIUM (ICP) | ≤ 0.02 mg/kg |
| COPPER (ICP) | ≤ 0.02 mg/kg |
| IRON (ICP) | ≤ 0.1 mg/kg |
| POTASSIUM (ICP) | ≤ 0.5 mg/kg |
| LITHIUM (ICP) | ≤ 0.1 mg/kg |
| MAGNESIUM (ICP) | ≤ 0.1 mg/kg |
| MANGANESE (ICP) | ≤ 0.02 mg/kg |
| MOLYBDENUM (ICP) | ≤ 0.1 mg/kg |
| SODIUM (ICP) | ≤ 1.0 mg/kg |
| NICKEL (ICP) | ≤ 0.02 mg/kg |
| LEAD (ICP) | ≤ 0.1 mg/kg |
| STRONTIUM (ICP) | ≤ 0.1 mg/kg |
| ZINC (ICP) | ≤ 0.1 mg/kg |
| ARSENIC TRACES (MHS-AAS) | ≤ 0.1 mg/kg |
| CHLORIDE (CL) | ≤ 10 mg/kg |
| SULFATE (SO4) | ≤ 10 mg/kg |
| RESIDUE (FILTER TEST) | NO RESIDUE |
| UV - ABS. AT 260 NM | ≤ 0.03 |
| UV - ABS. AT 280 NM | ≤ 0.01 |
| RECOMMENDED RETEST PERIOD | 34 MONTHS |