Standard No.:	GB/T 17650.2-2021
English Name:	Test on gases evolved during combustion of materials from cables or optical fiber cables - Part 2: Determination of acidity (by pH measurement) and conductivity
Chinese Name:	取自电缆或光缆的材料燃烧时释出气体的试验方法 第2部分：酸度（用pH测量）和电导率的测定
Chinese Classification:	K13    Cable and its accessory
Professional Classification:	GB    National Standard
ICS Classification:	29.060.01 29.060.01    Electrical wires and cables in general 29.060.01
Issued by:	SAMR; SAC
Issued on:	2021-04-30
Implemented on:	2021-11-1
Status:	valid
Superseding:	GB/T 17650.2-1998 Test on gases evolved during combustion of materials from cables - Part 2: Determination of degree of acidity of gases by measuring pH and conductivity
Language:	English
File Format:	PDF
Word Count:	8500 words
Price(USD):	280.0
Delivery:	via email in 1~3 business day

本文件规定了通过测量电缆或光缆各组件上的材料在燃烧过程中释出气体溶解在水溶液中的酸度（pH ）和电导率，来测定其潜在的腐蚀性的装置和程序。
本文件规定的方法适用于检测电缆或光缆的各个组件。给出了计算电缆或光缆中材料组合的加权值的公式。本方法能验证电缆或光缆标准中规定的电缆或光缆结构中各组件的相关要求。