Standard No.:	GB/T 16881-2008
English Name:	Coagulation-Deposition jar test of water
Chinese Name:	水的混凝、沉淀试杯试验方法
Chinese Classification:	G76    Basic standards and general methods for water treatment agent
Professional Classification:	GB    National Standard
ICS Classification:	71.100.40 71.100.40    Surface active agents 71.100.40
Source Content Issued by:	AQSIQ; SAC
Issued on:	2008-06-04
Implemented on:	2008-12-1
Status:	valid
Superseding:	GB/T 16881-1997 Coagulation―Flocculation jar test of water
Target Language:	English
File Format:	PDF
Word Count:	2500 words
Translation Price(USD):	104.0
Delivery:	via email in 1~3 business day

本标准于１９９７年首次发布。本标准代替ＧＢ／Ｔ１６８８１—１９９７《水的混凝、絮凝杯罐试验方法》。本标准规定了水的混凝、沉淀试杯试验的试验装置、操作条件和操作步骤。本标准适用于确定水的混凝、沉淀过程的工艺参数，包括：混凝剂、絮凝剂的种类、用量、水的pH值、温度、以及各种药剂的投加顺序等。本标准与ＧＢ／Ｔ１６８８１—１９９７相比主要变化如下：
———本标准名称修改为《水的混凝、沉淀试杯试验方法》；
———本标准增加了对高速度梯度（Ｇ 值）试验要求。