Standard No.:	JB/T 7948.8-2017
English Name:	Methods for chemical analysis of welding fluxes. Part 8: Determination of total carbon and sulfur content
Chinese Name:	焊剂化学分析方法 第8部分：碳、硫含量测定
Professional Classification:	JB    Professional Standard - Machinery
Issued by:	Ministry of Industry and Information Technology
Issued on:	2017-11-7
Implemented on:	2018-4-1
Status:	valid
Superseding:	JB/T 7948.10-1999 Methods for chemical analysis of melted welding fluxes - The direct combustion-coulomb method for determination of total carbon content JB/T 7948.11-1999 Methods for chemical analysis of melted welding fluxes - The direct combustion-iodimetric method for determination of sulfur content
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	200.0
Delivery:	via email in 1~3 business day

本部分规定了焊剂中碳、硫含量测定的原理、试剂、仪器、试样、分析步骤、分析结果的计算、允许差等内容。
本部分中方法一适用于焊剂中质量分数为0.010%～0.050%碳含量的测定，方法二适用于焊剂中质量分数为0.02%～0.20%硫含量的测定，方法三适用于焊剂中质量分数为0.0050～0.50%的碳含量及0.0050～0.20%的硫含量的测定。