Standard No.:	GB/T 6367-2012
English Name:	Surface active agents - Preparation of water with known calcium hardness
Chinese Name:	表面活性剂 已知钙硬度水的制备
Chinese Classification:	G72    Basic standards and general methods for surface active agent
Professional Classification:	GB    National Standard
ICS Classification:	71.100.40 71.100.40    Surface active agents 71.100.40
Issued by:	AQSIQ;SAC
Issued on:	2012-12-31
Implemented on:	2013-8-1
Status:	valid
Superseding:	GB/T 6367-1997 Surface active agents--Preparation of water with known calcium hardness
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	140.0
Delivery:	via email in 1~3 business day

本标准规定了已知钙硬度水的制备方法。
本标准适用于测试表面活性剂和含表面活性剂产品时所用的已知钙硬度水的制备。
在许多表面活性剂硬水试验中,钙硬度和镁硬度没有本质上的区别,因此通常这些测试能在已知钙硬度的氯化钙溶液中进行。