標(biāo)準(zhǔn)編號(hào):	GB/T 10209.3-2010
中文名稱:	磷酸一銨、磷酸二銨的測(cè)定方法 第3部分：水分
英文名稱:	Determination of monoammonium phosphate and diammonium phoshpate - Part 3: Water content
中標(biāo)分類:	G20    化肥基礎(chǔ)標(biāo)準(zhǔn)與通用方法
行業(yè)分類:	GB    國(guó)家標(biāo)準(zhǔn)
ICS分類:	65.080 65.080    肥料 65.080
發(fā)布機(jī)構(gòu):	國(guó)家標(biāo)準(zhǔn)化委員會(huì) 國(guó)家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局
發(fā)布日期:	2010-6-30
實(shí)施日期:	2011-1-1
標(biāo)準(zhǔn)狀態(tài):	valid
替代舊標(biāo)準(zhǔn):	GB/T 10209.3-2001 磷酸一銨、磷酸二銨中水分的測(cè)定
翻譯語(yǔ)言:	英文
文件格式:	PDF
中文字符數(shù):	5000 字
翻譯價(jià)格(元):	300.0
交付時(shí)間:	付款后 1 個(gè)工作日

1 Scope This part of GB/T 10209 specifies the determination of free water content for monoammonium phosphate and diammonium phosphate by Karl?Fischer method and vacuum oven method. It is applicable to the determination of free water content for 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 standards indicated below. For undated references, the latest editions apply to this part. GB/T 6283 Chemical products - Determination of water - Karl?Fischer method (general method) (GB/T 6283-2008, ISO 760: 1978, NEQ) HG/T 2843 Chemical fertilizer products - Standard volumetric, standard, reagent and indicator solutions for chemical analysis 3 Determination 3.1 Karl?Fischer method (arbitration method) 3.1.1 Principle Conduct quantitative reaction between the free water in the test portion and Karl?Fischer reagent of the known water titer, and the reaction formulas are as follows:

Foreword i 1 Scope 2 Normative references 3 Determination