标准解读
该标准GB/T 44243-2024规定了质子交换膜燃料电池汽车所使用的氢气中含硫化合物、甲醛以及有机卤化物的具体测定方法,采用的是气相色谱法。这一标准旨在确保用于此类汽车的氢气质量,避免这些杂质对燃料电池性能及寿命产生不良影响。
标准内容概览:
-
适用范围:明确了本标准适用于质子交换膜燃料电池汽车领域,特别是对供应用于该类型汽车的氢气品质进行控制,关注其内含的硫化物、甲醛和有机卤化物含量的检测。
-
术语和定义:提供了相关专业术语的明确解释,帮助使用者准确理解标准中的技术要求和测试方法。
-
原理:概述了气相色谱法的基本原理,即通过将样品气体注入色谱柱中,利用不同组分在固定相与流动相之间的分配系数差异,实现各组分的分离和定量分析。
-
试剂与材料:详细列出了进行检测所需的试剂种类、纯度级别及实验材料的具体要求,确保测试结果的准确性和可重复性。
-
仪器设备:描述了执行该测试所需气相色谱仪及其附件(如检测器、色谱柱等)的技术规格和配置要求,保证测试条件的一致性和准确性。
-
样品处理:规范了氢气样品的采集、储存、预处理步骤,以防止样品在处理过程中受到污染或成分变化,影响检测结果的可靠性。
-
测定步骤:详细说明了从样品注入、色谱条件设置、数据采集到结果计算的全过程操作程序,包括色谱柱的选择、温度程序设定、定量方法等关键参数。
-
结果判定与表示:规定了如何根据测试数据判断氢气中目标杂质是否符合规定限值,并给出了结果报告的格式和内容要求。
-
精密度与准确度:通过实验数据展示了方法的重复性和再现性,以及与参考方法比较的准确性验证,确保测试方法的可靠性和有效性。
-
试验报告:要求在试验报告中记录所有必要的信息,包括样品信息、测试条件、结果数据及结论,便于结果的审核和追溯。
此标准为氢能源汽车行业的氢气质量控制提供了一套科学、统一的检测方法,有助于提升燃料电池汽车的整体性能和市场应用的安全性。
如需获取更多详尽信息,请直接参考下方经官方授权发布的权威标准文档。
....
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文档简介
ICS27.010
CCSF19
中华人民共和国国家标准
GB/T44243—2024
质子交换膜燃料电池汽车用氢气
含硫化合物、甲醛和有机卤化物的测定
气相色谱法
Hydrogenforprotonexchangemembranefuelcellvehicles—Determinationof
sulfurcompounds,formaldehydeandorganichalides—Gaschromatography
method
2024⁃07⁃24发布2024⁃11⁃01实施
国家市场监督管理总局
国家标准化管理委员会发布
GB/T44243—2024
目次
前言··························································································································Ⅲ
1范围·······················································································································1
2规范性引用文件········································································································1
3术语和定义··············································································································1
4原理·······················································································································1
5试剂与材料··············································································································2
5.1气体·················································································································2
5.2气体标准物质·····································································································2
6仪器与设备··············································································································2
6.1系统·················································································································2
6.2气体浓缩仪········································································································3
6.3气相色谱仪········································································································3
6.4气体稀释仪········································································································4
6.5采样气瓶···········································································································4
7系统性能验证···········································································································4
7.1通则·················································································································4
7.2硫化学发光检测器(SCD)验证················································································4
7.3质谱检测器(MSD)验证·························································································4
8试验步骤·················································································································4
8.1采样·················································································································4
8.2操作条件···········································································································5
8.3准备·················································································································5
8.4样品导入···········································································································5
8.5样品预测定········································································································5
8.6校准·················································································································5
8.7空白测定···········································································································6
8.8样品测定···········································································································6
9试验数据处理···········································································································6
9.1定性分析···········································································································6
9.2定量分析···········································································································7
9.3总硫·················································································································7
9.4总有机卤化物·····································································································7
9.5非目标化合物·····································································································7
Ⅰ
GB/T44243—2024
9.6结果表示···········································································································7
10精密度和正确度······································································································8
10.1精密度·············································································································8
10.2正确度·············································································································9
11质量保证和控制·····································································································10
11.1通则··············································································································10
11.2质量控制程序··································································································10
11.3质量控制要求··································································································10
12试验报告··············································································································10
附录A(资料性)气体浓缩仪参数和操作条件···································································11
附录B(资料性)使用配置SCD和MSD的气相色谱法······················································13
附录C(资料性)不同含量水平校准样品制备方法示例·······················································16
C.1制备原则·········································································································16
C.2不同稀释比、不同浓缩体积制备方法示例·································································16
C.3固定稀释比、不同浓缩体积制备方法示例·································································16
C.4不同稀释比、固定浓缩体积制备方法示例·································································16
附录D(资料性)方法检出限确认··················································································17
D.1确认过程·········································································································17
D.2确认过程示例···································································································17
附录E(资料性)精密度典型值·····················································································19
E.1含硫化合物精密度典型值····················································································19
E.2甲醛和有机卤化物精密度典型值···········································································19
参考文献····················································································································20
Ⅱ
GB/T44243—2024
前言
本文件按照GB/T1.1—2020《标准化工作导则第1部分:标准化文件的结构和起草规则》的规
定起草。
请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。
本文件由全国氢能标准化技术委员会(SAC/TC309)提出并归口。
本文件起草单位:中石化石油化工科学研究院有限公司、中国标准化研究院、中国测试技术研究
院、中国计量科学研究院、北京国氢中联氢能科技研究院有限公司、广州能源检测研究院、丰田智能电
动汽车研发中心(中国)有限公司、中汽院新能源科技有限公司、中石化(大连)石油化工研究院有限公
司、中国石化销售股份有限公司河北石油分公司、中国石化销售股份有限公司广东石油分公司、国家能
源集团氢能科技有限责任公司、北京博赛德科技有限公司、四川中测标物科技有限公司、大连大特气体
有限公司、安捷伦科技(中国)有限公司、赛默飞世尔科技(中国)有限公司、岛津企业管理(中国)有限公
司、氢迹技术(上海)有限公司、中国科学院上海应用物理研究所、山东能源集团煤气化新材料科技有限
公司。
本文件主要起草人:王亚敏、张祎玮、徐广通、杨燕梅、邓凡锋、胡树国、万燕鸣、张登科、刘聪敏、
周鲁立、杜利锋、王艮成、许向国、王少军、薛杨、李霄霞、罗穗瑶、张育红、可贵秋、杨嘉伟、孙杰、
管振喜、张友娟、高丽、李龙、朱玮郁、赵玥、潘义、王建强、李智。
Ⅲ
GB/T44243—2024
质子交换膜燃料电池汽车用氢气
含硫化合物、甲醛和有机卤化物的测定
气相色谱法
警示:氢气是一种易燃易爆气体。本文件不涉及与其应用有关的所有安全问题。在使用本文件
前,使用者有责任制定相应的安全和保护措施,明确其限定的适用范围,并保证符合国家有关法律法
规、强制性国家标准的
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