共找到 1140 條與 電子元器件綜合 相關的標準,共 76 頁
General guidelines for construction analysis components for space applications
GB/T 39560的本部分描述了兩種標準方法和兩種參考方法,用于測定在電子電氣產品聚合物中的鄰苯二甲酸二異丁酯(DIBP)、鄰苯二甲酸二正丁酯(DBP)、鄰苯二甲酸丁芐酯(BBP)、鄰苯二甲酸二異辛酯(DEHP)、鄰苯二甲酸二正辛酯(DNOP)、鄰苯二甲酸二異壬酯(DINP)以及鄰苯二甲酸二異癸酯(DIDP)。 本部分的標準方法是氣相色譜-質譜(GC-MS)法與配有熱裂解/熱脫附的氣相色譜-質譜(Py/TD-GC-MS)法。 GC-MS法是定量測定DIBP、DBP、BBP、DEHP、DNOP、DINP 和DIDP 的標準方法,測定范圍從50 mg/kg到2 000 mg/kg。 配有熱裂解/熱脫附的氣相色譜-質譜法(Py/TD-GC-MS),適用于篩選和半定量分析電子電氣產品聚合物材料中的DIBP、DBP、BBP、DEHP、DNOP、DINP和DIDP,測定范圍為100 mg/kg到2 000 mg/kg。 離子附著質譜法(IAMS)適用于DIBP、DBP、BBP、DEHP、DNOP、DINP以及DIDP的篩選和半定量分析,詳見附錄A。由于質譜峰分辨率的限制,用IAMS法測定DBP和 DIBP、DEHP和DNOP的方法尚未確定。 液相色譜-質譜法(LC-MS)僅限于BBP、DEHP、DNOP、DINP 和DIDP的測定,詳見附錄B。由于質譜峰分辨率的限制,用LC-MS技術測定DBP和DIBP的方法尚未確定。 附錄C中提供的流程圖,描述了如何使用兩種標準方法:Py/TD-GC-MS和GC-MS,及如何使用兩種參考方法:直接進樣(DIP)-離子附著質譜(IAMS)和液相色譜-質譜(LC-MS)。 這四種測試方法已經通過測試鄰苯二甲酸酯含量約450 mg/kg至30 000 mg/kg的聚乙烯(PE)和聚氯乙烯(PVC)材料進行評估。 本部分所述的四種方法對其他聚合物類型、鄰苯二甲酸類化合物或上述規定濃度范圍之外的使用未做具體評估。
Determination of certain substances in electrical and electronic products—Part 8: Phthalates in polymers by gas chromatography-mass spectrometry (GC-MS), gas chromatography-mass spectrometry using a pyrolyzer/thermaldesorption accessory (Py/TD-GC-MS)
Restricted substance in electrical and electronic products—Determination of hexavalent chromium—Ion chromatography method
Determination of polychlorinated naphthalenes in electrical and electronic products—Gas chromatorgaphy-mass spectrometry method
Determination of medium chain chlorinated paraffins in electrical and electronic products
Determination of arsenic, beryllium, antimony in electrical and electronic products—Part 2: Inductively coupled plasma optical emission spectrometry
Determination of certain substances in electrical and electronic products—Part 2: Disassembly,disjointment and mechanical sample preparation
Determination of certain substances in electrical and electronic products—Part 7-1:Hexavalent chromium—Presence of hexavalent chromium [Cr(VI)] in colourless and coloured corrosion-protected coatings on metals by the colorimetric method
Determination of certain substances in electrical and electronic products—Part 6: Polybrominated biphenyls and polybrominated diphenyl ethers in polymers by gas chromatography-mass spectrometry(GC-MS)
Determination of certain substances in electrical and electronic products—Part 3-1: Screening lead, mercury, cadmium, total chromium and total bromine by X-ray fluorescence spectrometry
Test method for pyroelectric coefficient of materials under DC bias field
Guideline of conformity assessment for hazardous substances in electronic and electrical products
Determination of halogen in electrical and electronic products—Ion chromatography method
Determination of perfluorooctanoic acid and perfluorooctane sulfonic acid in electronic and electrical products—Ultra high performance liquid chromatographic method with tandem mass spectrometry
Qualitative determination methods of asbestos in electrical and electronic products
Determination of emission rate of volatile organic compounds from materials and components used in electrical and electronic products—Emission test chamber-gas chromatography mass spectrometry
Electric components—Reliability—Reference conditions for failure rates and stress models for conversion
本標準規定了能量色散X射線熒光光譜篩選測試電子電氣產品中鉛(Pb)、汞(Hg) 、鎘(Cd)、總鉻(Cr)和總溴(Br)等元素的儀器、人員技術能力、測試程序、質量控制、文檔記錄等要求。 本標準適用于電子電氣產品中鉛(Pb)、汞(Hg)、鎘(Cd)、總鉻(Cr)和總溴(Br)等元素的X射線熒光光譜篩選測試。波長色散X射線熒光光譜篩選測試應用也可參照執行。
General rules of screening application of restricted substances in electrical and electronic products—X-Ray fluorescence spectrometry
GB/T 33351的本部分規定了電子電氣產品中砷、鈹、銻含量的電感耦合等離子體質譜(ICP-MS)測定方法。 本部分適用于電子電氣產品中砷、鈹、銻的測定。
Determination of arsenic,beryllium,antimony in electrical and electronic products—Part 1:Inductively coupled plasma mass spectrometry spectrometry
本標準規定了電子電氣產品中2,4-二硝基甲苯含量的氣相色譜-質譜測定方法。 本標準適用于電子電氣產品中2,4-二硝基甲苯含量的測定。方法的定量限為50 mg/kg。
Determination of 2,4-dinitro-toluene in electrical and electronic products—Gas chromatography-mass spectrometry
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