沥青中分子量分布检测方案(凝胶色谱仪)

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GPC/SECApplication note(PSS Polymer Standards Service GmbHPSS Polymer Standards Service -USA IncFax： +1 413-835-0354www.pssgpcshop.com #10002-Characterization of Bitumen Bitumen is made from mineral oil and contains high molecular weight hydrocarbon mixtures. It ismainly used for protection of buildings (roofing and waterproofing)， for street construction materialsand in roofing paper. Sample Preparation The sample was dissolved for 12 hours. The sample solution was filtered through a 0.45 pmmembrane filter to protect the columns. Analytical Conditions for Measurement Columns：PSS SDV 5 um 8 X 300 mm 1 000 100000100000Temperature：35°CFlow rate：1，00 mL/minConcentration：5，00 g/LInjection volume：30 pL-Detection：Shodex-RI71Calibration：ReadyCal-Kit Poly(styrene)Data processing：PSS WinGPC Recommended Conditions Eluent： TetrahydrofuranPSS SDV Column material： Columnslow molecular weights： P/N 201-0001 (set of 3) OR sda083003lis (1 linear)medium molecular weights： P/N 201-0002' (set of 2) OR sda083005lim (1 linear)high molecular weights： P/N 201-0003(set of 3) OR sda083005lxl (1 linear)ultrahigh molecular weights： P/N 202-0001 (set of 3)Sample Concentrationnarrow， 100 Da - 10 000 Danarrow， 10 000 Da- 1 000 000 Daa1-2 g/Lnarrow， > 1 000 000 Da 0.5 g/L or lessbroad (PDI>>1) 4.0 - 5.0 g/L Result Bitumen is a product from the petrol industrie and can look very different by different sources. Elugram and Calibration Molar Mass Distribution PSS SDV凝胶是一种呈完全球形，耐压，对PH值稳定，由苯乙烯和二乙烯基苯共聚而成的大孔网络，该柱应用了化学合成与分析测试技术的最新进展，专为高效分离而设计。该柱根据采用的凝胶材料粒径的不同（有3，5，10和20μm等几种）而分成不同的型号，可应用的分子量范围很宽。该产品适于分析添加剂，寡聚物，合成高分子及超高分子量高分子和样品预处理。