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沪慧(上海)生物科技有限公司 订购/客服热线:400-138-0886 地址:上海市金山区亭林镇寺平南路19号3幢2938室 |
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原装进口试剂 |
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产品编号:87333-1KG-F |
产地:sigma原装 |
中文名称:聚乙二醇 |
原货号:87333 |
英文名称:Poly(ethylene glycol) |
规格:1KG |
分 子 式:87333 |
分 子 量:2-3天 |
CAS# :25322-68-3 |
单位:瓶 |
型号: |
单价:
¥1457.00
折扣价:¥1384.00
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备注:BioUltra, 600 别名: PEG 分子式 H(OCH2CH2)nOH |
中文别名:1384英文别名:0 |
危 险 品: |
危险系数: |
在线订购: |
产品说明书: |
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产品属性: |
Product Name |
聚乙二醇,
BioUltra, 600 |
Product Number |
87333 |
Product Brand |
SIGMA |
CAS Number |
25322-68-3 |
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TEST |
SPECIFICATION |
APPEARANCE (COLOR) |
Colorless or White |
APPEARANCE (FORM) |
Liquid or Viscous Liquid or Paste |
GEL-PERMEATION CHROM. |
CORRESPONDS TO REQUIREMENTS |
DENSITY D20/4 |
1.115 - 1.144 |
REFRACTIVE INDEX N20/D |
1.468 - 1.470 |
WATER |
≤ 1.0 % |
SULFATED ASH |
≤ 0.2 % |
REM. ON PHYSICAL DATA |
MOLECULAR MASS(CALCULATED FROM HYDROXYL VALUE): 570 - 630 |
INFRARED SPECTRUM |
CONFORMS TO STRUCTURE |
VISCOSITY (ROTATION) |
150 - 190 mPas |
VISCOSITY (CONDITIONS) |
NEAT, 20 C |
HYDROXYL VALUE |
178 - 197 mg KOH/g |
TRACES PEROXIDE (AS H2O2) |
≤ 20 mg/kg |
METAL TRACE ANALYSIS (ICP) |
CORRESPONDS TO REQUIREMENTS |
ALUMINIUM (ICP) |
≤ 5.0 mg/kg |
BARIUM (ICP) |
≤ 5.0 mg/kg |
BISMUTH (ICP) |
≤ 5.0 mg/kg |
CALCIUM (ICP) |
≤ 10 mg/kg |
CADMIUM (ICP) |
≤ 5.0 mg/kg |
COBALT (ICP) |
≤ 5.0 mg/kg |
CHROMIUM (ICP) |
≤ 5.0 mg/kg |
COPPER (ICP) |
≤ 5.0 mg/kg |
IRON (ICP) |
≤ 5.0 mg/kg |
POTASSIUM (ICP) |
≤ 500 mg/kg |
LITHIUM (ICP) |
≤ 5.0 mg/kg |
MAGNESIUM (ICP) |
≤ 5.0 mg/kg |
MANGANESE (ICP) |
≤ 5.0 mg/kg |
MOLYBDENUM (ICP) |
≤ 5.0 mg/kg |
SODIUM (ICP) |
≤ 200 mg/kg |
NICKEL (ICP) |
≤ 5.0 mg/kg |
LEAD (ICP) |
≤ 5.0 mg/kg |
STRONTIUM (ICP) |
≤ 5.0 mg/kg |
ZINC (ICP) |
≤ 5.0 mg/kg |
ARSENIC TRACES (MHS-AAS) |
≤ 0.1 mg/kg |
TOTAL SULFUR AS SO4 (ICP) |
≤ 50 mg/kg |
CHLORIDE (CL) |
≤ 50 mg/kg |
SOLUBILITY (METHOD) |
1.500 G IN 30 ML H2O |
APPEARANCE (SOLUTION) |
CLEAR COLORLESS |
PH (SOLUTION) |
5.5 - 7.0 |
RESIDUE (FILTER TEST) |
NO RESIDUE |
UV - ABS. AT 260 NM |
≤ 0.06 |
UV - ABS. AT 280 NM |
≤ 0.03 |
RECOMMENDED RETEST PERIOD |
42 MONTHS |
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