供货周期: | 现货 |
品牌: | Sigma-Aldrich |
规格: | 1EA(02393) |
货号: | 02393-1EA |
CAS号: |
Description
Components set contains 10 different polyethylene glycol/polyethylene oxide standards with Mp ~194, ~970, ~2010, ~4450, ~15000, ~22100, ~62000, ~217000, ~490000, ~1190000; always 3 or 4 standards are lyophilised in a 1.5 mL vial (black, blue or yellow); for 1 complete calibration use one of each of the black, blue and yellow vials; 1 set contains 30 vials for 10 complete calibrations
性质
grade analytical standard
vapor density >1 (vs air)
vapor pressure <0.01 mmHg ( 20 °C)
CofA exact values can be taken from the accompanying certificate of analysis
autoignition temp. 581 °F
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