Standard No.:	GB/T 23937-2009
English Name:	Sodium hydrosulfide for industrial use
Chinese Name:	工业硫氢化钠
Chinese Classification:	G12    Inorganic salt
Professional Classification:	GB    National Standard
ICS Classification:	71.060.50 71.060.50    Salts 71.060.50
Issued by:	CPCIA
Issued on:	2009-06-02
Implemented on:	2010-2-1
Status:	superseded
Superseded by:	GB/T 23937-2020 Sodium hydrosulfide for industrial use
Superseded on:	2021-10-1
Language:	English
File Format:	PDF
Word Count:	5500 words
Price(USD):	165.00
Delivery:	via email in 1~3 business day

本部分是有关色漆,清漆及相关产品取样和试验的系列标准之一。
本部分规定了采用激光衍射法测定粉末涂料等效球体粒径分布的方法。本部分适用于粒度范围在1μm~300μm 之间的粉末涂料。
本方法仅适用于干粉的测定。