Standard No.:	GB/T 7383-1997
English Name:	Non-ionic surface active agents--Polyalkoxylated derivatives--Determination of hydroxyl value--Phthalic anhydride method
Chinese Name:	非离子表面活性剂 聚烷氧基化衍生物 羟值的测定 邻苯二甲酸酐法
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:	SBTS
Issued on:	1997-10-14
Implemented on:	1998-4-1
Status:	superseded
Superseded by:	GB/T 7383-2007 Non-ionic surface active agents—Determination of hydroxyl value
Superseded on:	2008-2-1
Superseding:	GB/T 7383-1987 Non-ionic surface active agents--Polyalkoxylated derivatives--Determination of hydroxyl value--Phthalic anhydride method GB 7383-1987 GB 7383-1987
Target Language:	English
File Format:	PDF
Word Count:	6000 words
Translation Price(USD):	180.0
Delivery:	via email in 1~3 business day

本标准规定了用邻苯二甲酸酐酯化羟基以测定聚烷氧基化衍生物的羟值的方法。本标准适用于测定脂肪族和脂环族的聚烷氧基化衍生物的羟值（特别是伯仲脂肪醇、烷基酚和脂肪酸的环氧乙烷、环氧丙烷及其混合的加成物的羟值）的测定，能用于羟值10～1000的测定。