Standard No.:	GB/T 39978-2021
English Name:	Nanotechnology—Resistivity of carbon nanotube powder—Four probe method
Chinese Name:	纳米技术 碳纳米管粉体电阻率 四探针法
Chinese Classification:	G13    Oxide and elementary substance
Professional Classification:	GB    National Standard
ICS Classification:	59.100.20 59.100.20    Carbon materials 59.100.20
Source Content Issued by:	SAMR; SAC
Issued on:	2021-05-21
Implemented on:	2021-12-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	7500 words
Translation Price(USD):	225.0
Delivery:	via email in 1~3 business day

本标准规定了碳纳米管粉体压制成厚块的电阻率的四探针测试方法。
本标准适用于采用四探针法测试试样厚度大于4倍探针间距的碳纳米管粉体电阻率的样品。其他碳材料的粉体电阻率测试可参考执行。