Standard No.:	GB/T 19940-2005
English Name:	Chrome powder-Determination of chromium(VI)
Chinese Name:	粉状铬鞣剂 六价铬离子测定方法
Chinese Classification:	Y45    Leather processing and products in general
Professional Classification:	GB    National Standard
ICS Classification:	59.140.10 59.140.10    Processes and auxiliary materials 59.140.10
Issued by:	China Light Industry Federation
Issued on:	2005-09-26
Implemented on:	2006-4-1
Status:	abolished
Abolished on:	2025-03-01
Language:	English
File Format:	PDF
Word Count:	2500 words
Price(USD):	115.00
Delivery:	via email in 1~3 business day

本标准规定了粉状铬鞣剂中六价铬离子含量的测定方法。 本标准适用于以重铬酸钠为原料，用硫酸等酸化，葡萄糖或二氧化硫(SO2)等还原，或再配人助剂而制成的适用于制革主鞣或复鞣用的粉状铬鞣剂。