GB/T 3600-2000 PDF EnglishUS$85.00 · In stock · Download in 9 seconds
GB/T 3600-2000: Fertilizers - Determination of ammoniacal nitrogen content. Formaldehyde method Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure GB/T 3600: Historical versions
Similar standardsGB/T 3600-2000: Fertilizers - Determination of ammoniacal nitrogen content. Formaldehyde method---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT3600-2000GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 65.080 G 20 Replacing GB/T 3600-1983 Fertilizers – Determination of Ammoniacal Nitrogen Content – Formaldehyde Method ISSUED ON: JULY 31, 2000 IMPLEMENTED ON: MARCH 1, 2001 Issued by: State Bureau of Quality and Technical Supervision Table of ContentsForeword ... 3 1 Scope ... 4 2 Normative References ... 4 3 Method Summary ... 4 4 Test Methods ... 4 Fertilizers – Determination of Ammoniacal Nitrogen Content – Formaldehyde Method1 ScopeThis Standard specifies the formaldehyde method for the determination of ammoniacal nitrogen content in fertilizers. This Standard is applicable only when the specimen does not contain urea or its derivatives, cyanamide compounds and organic nitrogen-containing compounds. It can also be applied to corresponding industrial products. This method does not apply to ammonium bicarbonate and ammonia water.2 Normative ReferencesThe following standards contain provisions which, through reference in this Standard, constitute provisions of this Standard. At the time of publication, the editions indicated are valid. All standards are subject to revision. The parties who are using this Standard shall explore the possibility of using the latest version of the following standards. HG/T 2843-1997 Chemical fertilizer Products-standard volumetric, standard, reagent and indicator solutions for chemical analysis3 Method SummaryIn a neutral solution, the ammonium salt reacts with formaldehyde to generate hexamethylenetetramine and an acid equivalent to the content of the ammonium salt. In the presence of an indicator, titrate with a sodium hydroxide standard titration solution.4 Test MethodsThe preparation of reagents, water and solutions used in this Standard shall comply with the provisions of HG/T 2843 unless the specifications and preparation methods are specified. 4.1 Reagents 4.1.1 Boric acid. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 3600-2000 be delivered?Answer: The full copy PDF of English version of GB/T 3600-2000 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 3600-2000_English with my colleagues?Answer: Yes. 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