塑料 聚合物鑒定 裂解氣相色譜法 編制說明

1本標(biāo)準(zhǔn)修訂后將代替GB/T7131—19本標(biāo)準(zhǔn)由中國石油天然氣股份有限公司石油化試驗方案；國家合成橡膠質(zhì)量監(jiān)督檢驗中心參與驗證論。本項目負(fù)責(zé)人匯報了國家標(biāo)準(zhǔn)GB/T7131-1986《塑料聚合物鑒定裂解氣相色譜法》修訂的前期準(zhǔn)備情況和前期試驗結(jié)果，并討2TC15/SC4)在四川省成都市召開了第一次工作組會議。負(fù)責(zé)人GB/T7131-1986《塑料聚合物鑒定裂解氣相色譜法》修訂工成都檢測技術(shù)有限公司、國家合成橡膠質(zhì)量監(jiān)督檢驗料有限公司、金發(fā)科技股份有限公司、河北尚②色譜條件的優(yōu)化，重點是色譜柱長度、柱溫和各單位廣泛征求意見，同時在全國標(biāo)準(zhǔn)信息公共3GB6028-1985《硫化橡膠中聚合物的鑒定裂解氣相ISO5475:1978Rubber—IdentificationofISO7270-1:2020RubberAnalysisbypyrolyASTMD3452-06(2021)StandardPracticeforRubber—IdentificatibyPyrolysis-GasChromato本標(biāo)準(zhǔn)修訂基于現(xiàn)今熱裂解-氣相色譜發(fā)展技術(shù)，4②通過不同樣品試驗，開展色譜柱、色譜柱溫度、裂④在確定分析條件下，測定已知樹脂或樹脂混合物的①修改標(biāo)準(zhǔn)名稱，原標(biāo)準(zhǔn)名稱“裂解氣相色譜法②采用非極性、弱極性毛細(xì)管色譜柱分離裂解產(chǎn)品本標(biāo)準(zhǔn)修改GB/T7131:1986《塑料5無6《塑料聚合物鑒定裂解氣相色譜法》試驗總結(jié)收集的樣品由中中國石油天然氣股份有限公司石油化工研究院有限公司、金發(fā)科技有限公司、尚華新材料、等提供，樣ABSMABSASA考察的主要參數(shù)：裂解溫度、色譜柱、色譜7________L________LLL______ 8 通過比較，PC、HIPS、ABS在500℃、559選擇裂解溫度600℃,對于難裂解的樹脂或塑料制品，可以適當(dāng)提高裂解溫度。合物混合物)的鑒定》的試驗，選擇非極性、弱極性色譜柱，因為非極性和弱極性使用溫度高，而極性色譜柱使用溫度相對低，塑料裂解產(chǎn)物中有一定量的高沸點組分果使用的色譜柱使用溫度不夠高，會影響高沸點組分的分析或分析時間過長。色譜柱ABS柱溫條件D ABS柱溫條件CABS柱溫條件B 柱溫條件試驗表明，初始溫度40℃時，丙烯、丁二烯、丙烯夠理想；初始溫度35℃時，丙烯、丁二烯、丙烯腈等等色譜柱規(guī)格：30m×0.25mm×0.2μmmin） 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