Standard No.:	GB/T 10209.4-2010
English Name:	Determination of monoammonium phosphate and diammonium phoshpate—Part4:Particlesiz
Chinese Name:	磷酸一铵、磷酸二铵的测定方法 第4部分：粒度
Chinese Classification:	G20    Basic standards and general methods on chemical fertilizers
Professional Classification:	GB    National Standard
Issued by:	AQSIQ;SAC
Issued on:	2010-6-30
Implemented on:	2011-1-1
Status:	valid
Superseding:	GB/T 10209.4-2001 Determination of particle size for monoammonium phosphate and diammonium phosphate
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120.0
Delivery:	via email in 1~3 business day

1 Scope This part of GB/T 10209.4 specifies the determination of particle size of granular monoammonium phosphate and diammonium phosphate with sieving method. It is applicable to the determination of particle size of granular monoammonium phosphate and diammonium phosphate produced by various processes. 2 Normative references The following documents contain provisions which, through reference in this part of GB/T 10209, constitute provisions of this part. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document applies. GB/T 6003.1-1997 Test sieves of metal wire cloth (eqv ISO 3310-1:1990) 3 Principle Separate the granular monoammonium phosphate and diammonium phosphate into particles with different particle sizes by sieving method, weigh the mass and calculate the mass fraction.

Foreword i 1 Scope 2 Normative references 3 Principle 4 Apparatus 5 Steps 6 Expression of analysis results