Ag硫化鉀標(biāo)準(zhǔn)

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1、PreventingTarnishofSilverPlatingonStripMaterialforConnectionTerminals防止鍍銀連接器端子帶材變色Furtherapplicablestandarts91/155/EWGDefinitionofthedetailsofaspecialinformationsystemfordangerouspreparinginaccordancewitharticle10oftheguideline88/379/EWGoftheadviceLK0151Galvaniclayer-designation,

2、structure,examinations,procedures1ApplicationandPurposeThisstandardappliestothepreventionoftarnish(passivation)ofsilverplatingonstripmaterialforconnectionterminals.Passivationisusedtopreventattackfromsulphurorsulphurousatmospheres.Alltheinformationprovidedisbasedonexperienceandme

3、asurementsmadebyKOSTAL.Becauseofthis,noclaimsunderguaranteecanbederivedfromtheinformationgiven.本標(biāo)準(zhǔn)用于防止鍍銀連接器端子帶材變色（鈍化）。鈍化用于防止大氣中的硫或硫化物侵襲。所有提供的信息基于KOSTAL進(jìn)行的實(shí)驗(yàn)和測(cè)量。因此，所給出的信息不具有任何保證聲明。2TechnicaltermsSilverplatingquicklybecomestarnishedinatmospherecontainingsulphur,withtheformationofab

4、rownishtoblacksilversulphidecoating(Ag2S).Byimmersingthesilvercoatinginapassivating1)solution,tarnishingcanbeeffectivelyprevented.Dependingonthechoiceofpassivatingagentandprocess,aswellasthestorageandapplicationconditions,thetarnishprotectioncanlastanythingfromafewmonthstoseveral

5、years.銀鍍層在含硫的空氣中會(huì)生成灰黑色的硫化銀(Ag2S)，從而很快失去光澤。通過把銀鍍層浸入鈍化液，可以有效防止變色。通過選擇適合存儲(chǔ)和使用環(huán)境的鈍化劑和制程，防變色保護(hù)可以持續(xù)幾個(gè)月到幾年。3PassivationsolutionsPassivationsolutionsconsistoftheeffectiveagentitself,withasolvent.Theagentisusedis1-Octadecanethiol(referredtointhistextasODT)withapuritygradeofgreaterthan98%.

6、Appropriatehydrocarbonsareusedassolvents.鈍化液由有效的鈍化劑和溶劑組成。鈍化劑為純度大于98%的1-硫醇(本文中成為ODT)，溶劑選用適當(dāng)?shù)奶細(xì)浠衔?。AnyotherprocessesandsolutionsusedtopreventtarnishmustbespecificallyapprovedinadvancebyKOSTAL.其他過程和溶液用于防止變色是必須預(yù)先經(jīng)過KOSTAL特別批準(zhǔn)。4SafetyinstructionsWhendealingwiththechemicals,preparations

7、andlaboratoryequipmentdescribedinthisdocument,itisessentialtocomplywiththerelevantsafetydatasheetscoveredby91/155/EWGandotherassociatedhandlingregulations.Alwaysusethespecifiedsafetyequipment(safetygoggles;gloves;etc…).安全指示在處理和操作化學(xué)品時(shí)，本文描述的準(zhǔn)備工作和實(shí)驗(yàn)設(shè)備必須切實(shí)的遵守91/155/EWG中涵蓋的相關(guān)的數(shù)據(jù)頁，以及其他

8、操作規(guī)程。必須使用指定的安全設(shè)備（安全眼鏡、手套等）5Passivationpr