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GB/T 10209.2-2010 English PDF

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GB/T 10209.2-2010: Determination of monoammonium phosphate and diammonium phosphate -- Part 2: Phosphorus content
Status: Valid

GB/T 10209.2: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 10209.2-2010English139 Add to Cart 3 days [Need to translate] Determination of monoammonium phosphate and diammonium phosphate -- Part 2: Phosphorus content Valid GB/T 10209.2-2010
GB/T 10209.2-2001English199 Add to Cart 2 days [Need to translate] Determination of available phosphorus content for monoammonium phosphate and diammonium phosphate Obsolete GB/T 10209.2-2001

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Basic data

Standard ID GB/T 10209.2-2010 (GB/T10209.2-2010)
Description (Translated English) Determination of monoammonium phosphate and diammonium phosphate -- Part 2: Phosphorus content
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G20
Classification of International Standard 65.080
Word Count Estimation 6,690
Date of Issue 2010-06-30
Date of Implementation 2011-01-01
Older Standard (superseded by this standard) GB/T 10209.2-2001
Quoted Standard 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 monoammonium phosphate, determination of diammonium phosphate content. This section applies to all kinds of technology, the monument acid ammonium, determination of diammonium phosphate and water-soluble phosphorus content.

GB/T 10209.2-2010: Determination of monoammonium phosphate and diammonium phosphate -- Part 2: Phosphorus 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 phospgate and diammonium phoshpate Part 2. Phosphorus content ICS 65.080 G20 National Standards of People's Republic of China Replacing GB/T 10209.2-2001 MAP, DAP measurement method Part 2. phosphorus content Part 2. Phosphoruscontent 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

Foreword

GB/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 2. This Part replaces GB/T 10209.2-2001 "monoammonium phosphate, diammonium phosphate in phosphorus content determination." The main difference between this version and the previous version are. --- Standard name from "monoammonium phosphate, diammonium phosphate in phosphorus content determination" to Determination party "monoammonium phosphate, diammonium phosphate Law Part 2. phosphorus content "; --- According to the new requirements of the standard format for a rewrite; --- Increased content security warning. 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. Yang, yellow Feng, Zhou Yongming, Mu Yongfeng, business according to Cong. This section first published in 1989 (GB/T 10207-1988 and GB/T 10208-1988), 2001 on the first amendment. MAP, DAP measurement method Part 2. phosphorus content

1 Scope

This section GB/T 10209 specifies the method for determination of monoammonium phosphate and diammonium phosphate content. This section applies to all kinds of technology, the monoammonium phosphate, diammonium phosphate determination of water soluble phosphorus and phosphorus content.

2 Normative references

The 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. HG/T 2843 fertilizer products chemical analysis commonly used in standard titration solution, standard solution, reagent solution and indicator solution Principle 3 Water and disodium EDTA solution was extracted monoammonium phosphate, diammonium phosphate and water-soluble phosphorus, extract phosphate from CKS Child in an acidic medium to form a yellow phosphomolybdic acid reagent and Quimociac quinoline precipitated by quinoline phosphomolybdate gravimetric method (Arbitration Act) or quinoline phosphomolybdate Determination of water-soluble phosphorus and available phosphorus content morpholino volumetric method.

4 Reagents and materials

The following part-corrosive reagents and solutions, the operator should be careful as splashed on the skin should immediately wash with water or suitable Way to deal with severe cases should be treated immediately. As used in this section 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. 4.1 Disodium ethylenediaminetetraacetate (EDTA) solution, 37.5g/L; Weigh 37.5gEDTA in 1000mL beaker, add a small amount of water dissolved, diluted with water to 1000mL, and mix. 4.2 Quimociac reagent; 4.3 nitric acid solution. 11; 4.4 Sodium hydroxide solution. c (NaOH) = 0.5mol/L; 4.5 hydrochloric acid standard titration solution. c (HCl) = 0.2mol/L; 4.6 thymol blue - mixed phenolphthalein indicator solution; 4.7 carbon dioxide-free water.

5 Instruments

5.1 usually laboratory instruments; 5.2 Ovens. control (180 ± 2) ℃; 5.3 Glass filter crucible. the 4th volume 30mL; 5.4 Oscillator constant temperature water bath. to control the temperature (60 ± 2) ℃ or roundabout reciprocating oscillator oscillator. Step 6 Analysis Do two parallel determination of sample.

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