GB 9758.6-1988 色漆和清漆 可溶性金属含量的测定 第六部分:色漆的液体部分中铬总含量的测定 火焰原子吸收光谱法
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基本信息
| 标准名称： | 色漆和清漆 可溶性金属含量的测定 第六部分:色漆的液体部分中铬总含量的测定 火焰原子吸收光谱法 |
| 英文名称： | Paints and varnishes-Determination of soluble metal content-Part 6:Determination of total chromium content of the liquid portion of the paint-Flame atomic absorption spectrometric method |
| 中标分类： |
化工 >>
涂料、颜料、染料 >>
涂料基础标准与通用方法 |
| ICS分类： |
涂料和颜料工业 >>
涂料和清漆
|
| 发布部门： | 中华人民共和国化学工业部 |
| 发布日期： | 1988-09-05 |
| 实施日期： | 1989-04-01 |
| 首发日期： | 1988-09-05 |
| 作废日期： | 1900-01-01 |
| 主管部门： | 中国石油和化学工业协会 |
| 提出单位： | 中华人民共和国化学工业部 |
| 归口单位： | 全国涂料和颜料标准化技术委员会 |
| 起草单位： | 上海市涂料研究所 |
| 起草人： | 熊俊华、柏晓逸 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 1900-01-01 |
| 页数： | 3页 |
适用范围
本标准规定了测定色漆和清漆“可溶性”铬总含量的方法。
本标准适用于“可溶性”铬含量约在0.05%-5%(m/m)范围内的色漆。
前言
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目录
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引用标准
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所属分类： 化工 涂料 颜料 染料 涂料基础标准与通用方法 涂料和颜料工业 涂料和清漆
【英文标准名称】:Plastics.Determinationofburningbehaviourbyoxygenindex.Elevatedtemperaturetest
【原文标准名称】:塑料.通过氧指数测定其燃烧性.第3部分:高温试验
【标准号】:BSENISO4589-3-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1996-12-15
【实施或试行日期】:1996-12-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:垂直;易燃性;燃烧试验法;化学指数;氧指数;温度;高聚物;试样制备;试验条件;燃烧试验;试验设备;着火性;塑料;温度测量
【英文主题词】:Burningbehaviours;Chemicalindices;Combustion;Combustiontestmethods;Concentration;Definitions;Determination;Firetests;Flammability;High-temperaturetechniques;High-temperaturetesting;Ignitability;Materials;Oxygenconcentration;Oxygenindex;Physicaltesting;Plasticfilms;Plastics;Polymers;Specimenpreparation;Surfacespreadofflame;Temperature;Temperaturemeasurement;Testequipment;Testing;Testingconditions;Vertical
【摘要】:ThispartofISO4589specifiesmethodsfordeter-miningtheminimumconcentrationofoxygen,inamixturewithnitrogen,thatwillsupportcombustionofsmallverticaltestspecimensunderspecifiedtestconditionsoverarangeoftemperaturestypicallybe-tween25℃and150℃.Theresultsaredefinedasoxygenindexvaluesatthetesttemperature,whichistypicalofthepracticaltemperaturethataplasticma-terialmayexperienceinanoverheatedservicesitu-ation.Methodsareprovidedfortestingmaterialsthatareself-supportingatthetesttemperatureintheformofverticalbarsorsheetupto10,5mmthick.Thesemethodsaresuitableforsolid,laminatedorcellularmaterialscharacterizedbyanapparentdensitygreaterthan100kg/m.Themethodsmayalsobeapplicabletosomecellularmaterialshavinganapparentdensityoflessthan100kg/m.Amethodisprovidedfortestingflexiblesheetorfilmmaterialswhilesupportedvertically.ThispartofISO4589alsoincludesamethod(seeannexA)fordeterminingthetemperatureatwhichtheoxygenindexofsmallverticaltestspecimensinairis20,9underspecifiedtestconditions.Theresultisdefinedastheflammabilitytemperature(FT)andthemethodislimitedtothedeterminationofresultslessthan400℃.Themethodisnotapplicabletomaterialshavinganoxygenindexof<20,9whenmeasuredat23℃.ResultsobtainedinaccordancewiththispartofISO4589shouldnotbeusedtodescribeorappraisethefirehazardpresentedbyaparticularmaterialorshapeunderactualfireconditions,unlessusedasoneelementofafireriskassessmentwhichtakesintoaccountallofthefactorswhicharepertinenttotheassessmentofthefirehazardofaparticularapplica-tionforthematerial.NOTES1Itmaynotbepossibletoapplythesemethodssatisfac-torilytomaterialsthatexhibithighlevelsofshrinkagewhenheated,e.g.highlyorientedthinfilm.2Forassessingtheflamepropagationpropertiesofcellu-larmaterialsofdensity<100kg/m,attentionisdrawntothemethodofISO3582:1978,Cellularplasticandcellularrubbermaterials?Laboratoryassessmentofhorizontalburningcharacteristicsofsmallspecimenssubjectedtoasmallflame.
【中国标准分类号】:G31
【国际标准分类号】:13_220_40;83_080_01
【页数】:26P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforElectricalConductivityandResistivityofaFlowingHighPurityWaterSample
【原文标准名称】:高纯度流动水样品电导性和电阻率的标准测试方法
【标准号】:ASTMD5391-1999(2005)
【标准状态】:现行
【国别】:
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D19.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:水;试验;电导性;电阻
【英文主题词】:cation;conductivity;highpuritywatermeasurements;resistivity;specificconductance;specificresistance
【摘要】:Conductivitymeasurementsaretypicallymadeonsamplesofmoderatetohighionicstrengthwherecontaminationofopensamplesinroutinelaboratoryhandlingisnegligible.Underthoseconditions,standardtemperaturecompensationusingcoefficientsof1to3%ofreadingperdegreeCelsiusoverwideconcentrationrangesisappropriate.Incontrast,thistestmethodrequiresspecialconsiderationstoreducetracecontaminationandaccommodatesthehighandvariabletemperaturecoefficientsofpurewatersamplesthatcanrangeashighas7%ofreadingperdegreeCelsius.Inaddition,measuringinstrumentdesignperformancemustbeprovenunderhighpurityconditions.Thistestmethodisapplicablefordetectingtraceamountsofioniccontaminantsinwater.Itistheprimarymeansofmonitoringtheperformanceofdemineralizationandotherhighpuritywatertreatmentoperations.Itisalsousedtodetectioniccontaminationinboilerwaters,microelectronicsrinsewaters,pharmaceuticalprocesswaters,etc.,aswellastomonitorandcontrolthelevelofboilerandpowerplantcyclechemistrytreatmentchemicals.ThistestmethodsupplementsthebasicmeasurementrequirementsforTestMethodsD1125,D2186,andD4519.Atverylowlevelsofalkalinecontamination,forexample,0x2013;1x03BC;g/LNaOH,conductivityissuppressed,andcanactuallybeslightlybelowthetheoreticalvalueforpurewater.(13,14)4Alkalinematerialssuppressthehighlyconductivehydrogenionconcentrationwhilereplacingitwithlessconductivesodiumandhydroxideions.Thisphenomenonisnotaninterferencewithconductivityorresistivitymeasurementitselfbutcouldgivemisleadingindicationsofinferredwaterpurityinthisrangeifitisnotrecognized.1.1Thistestmethodcoversthedeterminationofelectricalconductivityandresistivityofhighpuritywatersamplesbelow10S/cm(above0.1Mohm-cm).Itisapplicabletobothcontinuousandperiodicmeasurementsbutinallcases,thewatermustbeflowinginordertoproviderepresentativesampling.Staticgrabsamplingcannotbeusedforsuchhighpuritywater.Continuousmeasurementsaremadedirectlyinpurewaterprocesslines,orinsidestreamsamplelinestoenablemeasurementsonhightemperatureorhighpressuresamples,orboth.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_60(EXAMINATIONOFWATERFORPHYSICALPROPERTIES)
【页数】:7P.;A4
【正文语种】:
