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BS EN ISO 8988-2006 塑料.酚醛树脂.六亚甲基四胺含量的测定.凯氏法、过氯酸法和盐酸法

作者:标准资料网 时间:2024-05-14 06:34:56  浏览:9354   来源:标准资料网
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【英文标准名称】:Plastics-Phenolicresins-Determinationofhexamethylene-tetraminecontent-Kjeldahlmethod,perchloricacidmethodandhydrochloricacidmethod
【原文标准名称】:塑料.酚醛树脂.六亚甲基四胺含量的测定.凯氏法、过氯酸法和盐酸法
【标准号】:BSENISO8988-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-10-31
【实施或试行日期】:2006-10-31
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;含量测定;六亚甲基四胺;基耶达尔;基尔达斯法;方法;过氯酸;酚醛树脂;塑料;树脂;试验
【英文主题词】:Chemicalanalysisandtesting;Determinationofcontent;Hexamethylenetetramine;Kjeldahl;Kjeldahlsmethod;Methods;Perchloricacid;Phenolicresins;Plastics;Resins;Testing
【摘要】:ThisInternationalStandardspecifiesthreemethodsforthedeterminationofthehexamethylenetetramine("hexa")contentofphenolicresins.Thethreemethodsareequivalent.TheKjeldahlmethoddescribedinClause3isnotapplicableifthereareothercomponentscontainingnitrogeninthephenolicresin.TheperchloricacidmethodandthehydrochloricacidmethoddescribedinClause4andClause5,respectively,areonlyapplicableiftherearenootherbasicoracidicadditivesintheresin.Iftheresincontainsadditiveswhichcanbeoxidizedbyperchloricacid,onlythehydrochloricacidmethod(Clause5)isapplicable.
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:16P;A4
【正文语种】:英语


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Product Code:SAE AMS6320
Title:Steel Bars, Forgings, and Rings, 0.50cr 0.55ni 0.25mo (0.33-0.38c)
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope: This specification covers an aircraft-quality, low-alloy steel in the form of bars, forgings, flash welded rings, and stock for forging or flash welded rings. Primarily for parts, 0.75 inch (19.0 mm) and under in nominal section thickness at the time of heat treatment requiring a through-hardening steel capable of developing hardness as high as 40 HRC when properly hardened and tempered and for parts of greater thickness but requiring proportionally lower hardness. Alloy: 8735 UNS Number: G87350Product Code:SAE AMS7261/2
Title:Rings, Sealing, Phosphonitrilic (Fz) Fluoroelastomer, High-Temperature-Fluid Resistant, 75-85 (Cancelled Aug 2001)
Issuing Committee:Ams Ce Elastomers Committee
Scope:This specification covers one type of phosphonitrilic (FZ) fluoroelastomer in the form of molded rings.

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