標(biāo)準(zhǔn)編號(hào):	GB/T 664-2011
中文名稱:	化學(xué)試劑　七水合硫酸亞鐵（硫酸亞鐵）
英文名稱:	Chemical reagent—Iron(Ⅱ)sulfate heptahydrate
中標(biāo)分類:	G62    一般無(wú)機(jī)試劑
行業(yè)分類:	GB    國(guó)家標(biāo)準(zhǔn)
ICS分類:	71.040.30 71.040.30    化學(xué)試劑 71.040.30
發(fā)布機(jī)構(gòu):	中華人民共和國(guó)國(guó)家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局、中國(guó)國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)
發(fā)布日期:	2011-5-12
實(shí)施日期:	2011-12-1
標(biāo)準(zhǔn)狀態(tài):	valid
替代舊標(biāo)準(zhǔn):	GB/T 664-1993 化學(xué)試劑 七水合硫酸亞鐵(硫酸亞鐵)
翻譯語(yǔ)言:	英文
文件格式:	PDF
中文字符數(shù):	8000 字
翻譯價(jià)格(元):	800.0
交付時(shí)間:	付款后 1 個(gè)工作日

GB/T 664-2011 Chemical reagent - Iron(II) sulfate heptahydrate Molecular formula: FeSO4·7H2O Relative molecular mass: 278.02 (as per the international relative atomic mass in 2007) 1 Scope This standard specifies the properties, specifications, tests, inspection rules, packaging and marking of iron(II) sulfate heptahydrate among chemical reagents. This standard is applicable to the inspection of iron(II) sulfate heptahydrate among chemical reagents. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions, of any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies. GB/T 601 Chemical reagent - Preparations of reference titration solutions GB/T 602 Chemical reagent - Preparations of standard solutions for impurity (GB/T 602-2002, ISO 6353-1:1982, NEQ) GB/T 603 Chemical reagent - Preparations of reagent solutions for use in test methods (GB/T 603-2002, ISO 6353-1:1982, NEQ) GB/T 609 Chemical reagent - General method for the determination of total nitrogen (GB/T 609-2006, ISO 6353-1:1982, NEQ) GB/T 610-2008 Chemical reagent - General method for the determination of arsenic (ISO 6353-1:1982, NEQ) GB/T 6682 Water for analytical laboratory use - Specification and test methods (GB/T 6682-2008, ISO 3696:1987, MOD) GB/T 9723-2007 Chemical reagent - General rule for flame atomic absorption spectrometric analysis GB/T 9727 Chemical reagent - General method for the determination of phosphate (GB/T 9727-2007, ISO 6353-1:1982, NEQ) GB/T 9738 Chemical reagent - General method for the determination of water insoluble matter (GB/T 9738-2008, ISO 6353-1:1982, NEQ) GB 15346 Chemical reagent - Packaging and marking HG/T 3921 Chemical reagent - Regulations for sampling and acceptance 3 Properties The reagent is light blue-green crystal, weathered and oxidized in air, soluble in water and insoluble in ethanol. 4 Specifications See Table 1 for the specifications of iron(II) sulfate heptahydrate.

Foreword i 1 Scope 2 Normative references 3 Properties 4 Specifications 5 Tests 6 Inspection rules 7 Packaging and marking