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GB/T 10209.1-2008: Determination of monoammonium phosphate and diammonium phosphate -- Part 1: Total nitrogen content
Status: Valid GB/T 10209.1: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 10209.1-2008 | English | 149 |
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Determination of monoammonium phosphate and diammonium phosphate -- Part 1: Total nitrogen content
| Valid |
GB/T 10209.1-2008
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| GB/T 10209.1-2001 | English | 199 |
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Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate (Titrimetric method after distillation)
| Obsolete |
GB/T 10209.1-2001
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| GB/T 10209-1988 | English | 199 |
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The determination of total nitrogen content for monoammonium phosphate and diammonium phosphate--Titrimetric method after distillation
| Obsolete |
GB/T 10209-1988
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PDF similar to GB/T 10209.1-2008
Basic data | Standard ID | GB/T 10209.1-2008 (GB/T10209.1-2008) | | Description (Translated English) | Determination of monoammonium phosphate and diammonium phosphate -- Part 1: Total nitrogen content | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G20 | | Classification of International Standard | 65.080 | | Word Count Estimation | 5,589 | | Date of Issue | 2008-06-17 | | Date of Implementation | 2008-09-01 | | Older Standard (superseded by this standard) | GB/T 10209.1-2001 | | Quoted Standard | GB/T 2441.1-2008; HG/T 2843 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.10 (Total No.123) | | 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 determination of monoammonium phosphate titration after distillation, total nitrogen content of DAP. This section applies to a variety of craft production of monoammonium phosphate, determination of total nitrogen content of the DAP. | GB/T 10209.1-2008: Determination of monoammonium phosphate and diammonium phosphate -- Part 1: Total nitrogen 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 1. Total nitrogen content
ICS 65.080
G20
National Standards of People's Republic of China
Replacing GB/T 10209.1-2001
MAP, DAP measurement method
Part 1. total nitrogen content
Posted 2008-06-17
2008-09-01 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 1.
This Part replaces GB/T 10209.1-2001 "MAP, DAP total nitrogen content after distillation titration."
The main difference between this version and the previous version are.
--- Standard name from "MAP, DAP total nitrogen content after distillation titration" to "monoammonium phosphate, diammonium phosphate
The measuring method - Part 1. total nitrogen content ";
--- 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) and focal point responsible for the interpretation.
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 was first released in 1988 and 2001, the first revision.
MAP, DAP measurement method
Part 1. total nitrogen content
1 Scope
This section GB/T 10209 specifies the determination of MAP, DAP total nitrogen content of the titration after distillation.
This section applies to all kinds of technology, the monoammonium phosphate, diammonium phosphate determination of total nitrogen 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.
GB/T 2441.1-2008 Determination of urea - Part 1. total nitrogen content
HG/T 2843 fertilizer products for chemical analysis commonly used standard titration solution, standard solution, reagent solution and indicator solution
Principle 3
Distilled from an alkaline solution of ammonia absorption with excess sulfuric acid solution, methyl red - methylene blue under mixed indicator solution exists hydroxide
Sodium Standard Solution back titration.
4 Reagents and materials
The following part-corrosive reagents and solutions, the operator should be careful! As should be rinsed with water or splashed on the skin immediately for
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 Ammonium sulfate. excellent pure, CAS No. 7783-20-2, before use at 105 ℃ drying to constant weight;
Hydrochloric acid solution was 4.2. 1 + 1;
4.3 Sodium hydroxide solution. 400g/L;
4.4 sulfuric acid solution. Ba (12H2SO4
) ≈0.5mol/L or Ba (12H2SO4
) ≈1mol/L;
4.5 sodium hydroxide standard titration solution. Ba (NaOH) = 0.5mol/L;
4.6 methyl red - methylene blue mixed indicator solution;
4.7 wide pH test paper.
5 Instruments
5.1 usually laboratory instruments;
5.2 Distillation Apparatus., or distillation apparatus such as GB/T 2441.1-2008 other as shown in FIG. 1 have the same effect Nitrogen;
5.3 Splash Bar. a length of about 100mm, about 5mm diameter glass rod, and one end of a length of about 25mm polyethylene tube sets;
5.4 Distillation heater. 1000W ~ 1500W electric stove, placed in the lift carriage, adjustable height freedom. You can also use an electric furnace thermostat
Or other forms of heat can adjust the intensity of the heat source.
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