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ISO 4321-1977 洗衣粉活性氧含量的测定滴定法

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【英文标准名称】:Washingpowders;Determinationofactiveoxygencontent;Titrimetricmethod
【原文标准名称】:洗衣粉活性氧含量的测定滴定法
【标准号】:ISO4321-1977
【标准状态】:现行
【国别】:国际
【发布日期】:1977-09
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC91
【标准类型】:()
【标准水平】:()
【中文主题词】:容量分析;高锰酸钾;产品;氧;化学分析;粉末制品;化学分析和试验;含量测定;洗净剂;表面活性剂;试验
【英文主题词】:Chemicalanalysisandtesting;Determinationofcontent;Oxygen;Potassiumpermanganate;Products;Surfactants;Testing;Volumetricanalysis;Washingpowders
【摘要】:Thedeterminationconsistsinco-reduction,withliberationofoxygen,oftheperoxyhydrateandpotassiumpermanganateinanacidsolution.Becauseofthespecifityofwashingpowdersandtherelativestabilityofperoxyhydrates,thedissolutionofwashingpowdersislikelytobeincompleteandmayresultinalossofoxygen;thesedisadvantageshavebeenavoitedbyadoptionofaparticularmethodofdissolutionappropriatetothedeterminationofactiveoxygencontent.Thismethodmaybeusedfordetermingperoxyhydrates,forexamplesodiumperborate.
【中国标准分类号】:Y40;Y43
【国际标准分类号】:71_100_40
【页数】:2P;A4
【正文语种】:英语


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Product Code:SAE AMSH81200
Title:Heat Treatment of Titanium and Titanium Alloys
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers the heat treatment of titanium and titanium alloy products, including wrought and cast products, by material producers. This specification also covers furnace equipment requirements, test procedures, and general information for heat treating procedures, heat treating temperatures, and material test procedures for the heat treatment of titanium and titanium alloys. It also describes procedures which, when followd, have produced the desired properties within the limitations of the respective alloys.