Standard No.:	GB/T 9742-2008
English Name:	Chemical reagent - General method for the determination of silicate
Chinese Name:	化学试剂 硅酸盐测定通用方法
Chinese Classification:	G60    Chemical reagent in general
Professional Classification:	GB    National Standard
ICS Classification:	71.040.30 71.040.30    Chemical reagents 71.040.30
Issued by:	AQSIQ; SAC
Issued on:	2008-5-15
Implemented on:	2008-11-1
Status:	valid
Superseding:	GB/T 9742-1988 Chemical reagent-General method for the determination of silicate
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	80.00
Delivery:	via email in 1~3 business day

本标准于１９８８年首次发布。本标准规定了用硅钼蓝比色法测定硅酸盐的通用方法。本标准适用于化学试剂中微量硅酸盐或氟硅酸盐的测定。分光光度法或目视比色法的检验范围为0.2ug/mL~3ug/mL（以SiO 计）。 本标准代替ＧＢ／Ｔ９７４２—１９８８《化学试剂　硅酸盐测定通用方法》，与ＧＢ／Ｔ９７４２—１９８８相比主要变化如下：
———完善了分光光度法的测定（１９８８年版的第６章；本版的６．２）。
———取消了附录Ａ（１９８８年版的附录Ａ）。