GB/T 10209.3-2010 English PDFUS$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 10209.3-2010: Determination of monoammonium phosphate and diammonium phosphate -- Part 3: Water content Status: Valid GB/T 10209.3: Historical versions
Basic dataStandard ID: GB/T 10209.3-2010 (GB/T10209.3-2010)Description (Translated English): Determination of monoammonium phosphate and diammonium phosphate -- Part 3: Water content Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G20 Classification of International Standard: 65.080 Word Count Estimation: 6,697 Date of Issue: 2010-06-30 Date of Implementation: 2011-01-01 Older Standard (superseded by this standard): GB/T 10209.3-2001 Quoted Standard: GB/T 6283; HG/T 2843 Regulation (derived from): National Standard Approval Announcement 2010 No.2 (Total No.157) Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies the Karl Fischer method and vacuum oven assay monoammonium phosphate, DAP free water content. This section applies to a variety of craft production of monoammonium phosphate, DAP side of free water content determined. GB/T 10209.3-2010: Determination of monoammonium phosphate and diammonium phosphate -- Part 3: Water content---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Determination of monoammonium phosphate and diammonium phoshpate Part 3. Water content ICS 65.080 G20 National Standards of People's Republic of China Replacing GB/T 10209.3-2001 MAP, DAP measurement method Part 3. Water Part 3. Watercontent Issued on. 2010-06-30 2011-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordGB/T 10209 "monoammonium phosphate, diammonium phosphate determination method" is divided into four parts. --- Part 1. total nitrogen content; --- Part 2. phosphorus content; --- Part 3. Water; --- Part 4. granularity. This part of GB/T 10209 Part 3. This Part replaces GB/T 10209.3-2001 "monoammonium phosphate, diammonium phosphate Determination of moisture." The main difference between this version and the previous version are. The --- Karl Fischer method to draw the test solution by volume to 10.0mL 5.0mL; --- Increased content security warning; --- According to the new requirements of the standard format has been rewritten. This part is proposed by the China Petroleum and Chemical Industry Association. This part of the National Standardization Technical Committee and soil conditioners Fertilizers (SAC/TC105) centralized. This section drafted by. National Fertilizer Quality Supervision and Inspection Center (Shanghai), Liuguo Chemical Corporation. The main drafters of this section. business according to Cong, yellow Feng, Zhou Yongming, Mu Yongfeng, Yang. This section first published in 1989 (GB/T 10210-1988), 2001 on the first amendment. MAP, DAP measurement method Part 3. Water1 ScopeGB/T 10209 provisions of this section measured monoammonium phosphate, diammonium phosphate free water by Karl Fischer method and vacuum oven method content. This section applies to all kinds of technology, the monoammonium phosphate, diammonium phosphate Determination of water content free.2 Normative referencesThe following documents contain provisions which, through reference GB/T 10209 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 6283 Determination of chemical products in the water content Karl Fischer method (General method) (GB/T 6283-2008, ISO 760. 1978, NEQ) HG/T 2843 fertilizer products chemical analysis commonly used in standard titration solution, standard solution, reagent solution and indicator solution3 Determination3.1 Karl Fischer method (Arbitration Act) 3.1.1 Principle In a sample of free water and water of known titer of Karl Fischer reagent for quantitative reaction, reaction is as follows. H2O I2 SO2 3C5H5N = 2C5H5N · HI C5H5N · SO3 C5H5N · SO3 CH3OH = C5H5NH · OSO2OCH3 3.1.2 Reagents and materials Reagents and solutions following the flammable and toxic and harmful to the human body, the operator should be careful as splashed on the skin should be washed with water immediately Wash or process suitable manner, if they feel immediate medical attention. This part of the reagent solution and water, in the specifications and method of preparation is not specified, it shall comply with the provisions of HG/T 2843's. 3.1.2.1 methanol. water content ≤0.05%, such as moisture content > 0.05%, 500mL of methanol was added to the 5A molecular sieve about 50g, stuffed bottle Plug, allowed to stand overnight, to learn to use the supernatant; 3.1.2.2 dioxane. after dehydration treatment methods with 3.1.2.1; 3.1.2.3 ethanol. dehydration treatment method with 3.1.2.1; 3.1.2.4 Karl Fischer reagent; NOTE. None of pyridine Karl Fischer reagent can also be used to improve, but at the time of arbitration, only the pyridine-containing reagents. 3.1.2.5 5A molecular sieve. 3mm ~ 5mm diameter of the particles used as a desiccant. Before use 2h calcination at 500 ℃ contents fresh and Molecular sieve dryer cooled. Used molecular sieve can be washed with water, drying, calcination, after regeneration alternate. 3.1.3 Instruments 3.1.3.1 usual laboratory instruments; 3.1.3.2 Karl Fischer titration instruments directly electricity. according to GB/T 6283 is equipped with, or in connection with performance equivalent Karl Fischer instruments; 3.1.3.3 centrifuge. Medical, (0 ~ 4000) r/min; ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 10209.3-2010_English be delivered?Answer: Upon your order, we will start to translate GB/T 10209.3-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. 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