Standard No.:	GB/T 4702.17-2016
English Name:	Chromium metal―Determination of oxygen, nitrogen and hydrogen content―Inert gas fusion thermal infrared detection method and conductivity method
Chinese Name:	金属铬 氧、氮、氢含量的测定 惰性气体熔融红外吸收法和热导法
Chinese Classification:	H11    Steel and iron alloy analysis method
Professional Classification:	GB    National Standard
Issued by:	AQSIQ;SAC
Issued on:	2016-12-13
Implemented on:	2017-9-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	100.00
Delivery:	via email in 1~3 business day

GB/T 4702的本部分规定了用红外法测定氧含量、氢含量；用热导法测定氮含量。?
本部分适用于金属铬中氧含量、氮含量、氢含量的测定。氧含量的测定范围（质量分数）:0.010%～0.800%；氮含量的测定范围（质量分数）：0.001%～0.070%；氢含量的测定范围（质量分数）：0.001%～0.050%。