Standard No.:	GB/T 7462-2026
English Name:	Surface active agents—Measurement of foaming power—Modified Ross-Miles method
Chinese Name:	表面活性剂 发泡力的测定 改进罗氏泡沫法
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
Source Content Issued by:	SAMR, SAC
Issued on:	2026-05-25
Implemented on:	2026-12-1
Status:	to be valid
Superseding:	GB/T 7462-1994 active agents－Measurement of foaming power－Modified Ross-Miles method
Target Language:	English
File Format:	PDF
Word Count:	11200 words
Translation Price(USD):	448.0
Delivery:	via email in 1~3 business day

本文件描述了一种测量表面活性剂发泡力的方法。本文件适用于所有表面活性剂。本文件不适用于测量表面活性剂极稀溶液的发泡力，如含有表面活性剂的河水。注：对于易水解的表面活性剂溶液，由于其水解产物会聚集在液膜中并影响泡沫的持久性，因此测量结果可能不可靠。液膜的持久性对不溶性物质颗粒的存在非常敏感。因此，在测量基于表面活性剂的复合物（其溶液通常不完全溶解）的发泡力时，需格外谨慎。