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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
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: 
产品属性:
Product Name 聚乙二醇,
BioUltra, 600
Product Number 87333
Product Brand SIGMA
CAS Number 25322-68-3
 
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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