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Anhydrous lithium perchlorate -- Part 12: Determination of total nitrogen
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GB/T 23835.12-2009
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Basic data Standard ID | GB/T 23835.12-2009 (GB/T23835.12-2009) | Description (Translated English) | Anhydrous lithium perchlorate -- Part 12: Determination of total nitrogen | Sector / Industry | National Standard (Recommended) | Classification of Chinese Standard | G10 | Classification of International Standard | 71.060.01 | Word Count Estimation | 8,813 | Date of Issue | 2009-05-18 | Date of Implementation | 2010-02-01 | Regulation (derived from) | PRC National Standard Approval Announcement 2009 No.6 (Total No.146) | 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 principles of anhydrous lithium perchlorate total nitrogen determination method, safety tips, general provisions, reagents, instruments, equipment, analysis steps and calculations. This section applies to lithium perchlorate anhydrous nitrogen (including nitrate, nitrite and ammonium) determination of the total. Detection range of 0. 05��g/mL ~ 0. 8��g/mL (as N). |
GB/T 23835.12-2009: Anhydrous lithium perchlorate -- Part 12: Determination of total nitrogen---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.
Anhydrous lithium perchlorate Part 12. Determination of total nitrogen
ICS 71.060.01
G10
National Standards of People's Republic of China
Anhydrous lithium perchlorate
Part 12. Determination of total nitrogen content
Posted 2009-05-18
2010-02-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 23835 "anhydrous lithium perchlorate" is divided into 13 parts.
--- Part 1. Technical requirements of anhydrous potassium perchlorate;
--- Part 2. Determination of the content of lithium perchlorate;
--- Part 3. Determination of moisture;
--- Part 4. Determination of water-insoluble matter content;
--- Part 5. Determination of chloride content;
--- Part 6. Determination of chlorate content;
--- Part 7. Determination of sulfate content;
--- Part 8. Determination of potassium and sodium content;
--- Part 9. Determination of calcium content;
--- Part 10. Determination of iron content;
--- Part 11. Determination of lead content;
--- Part 12. Determination of total nitrogen content;
--- Part 13. Determination of clarity.
This section GB/T 23835 Part 12.
This part is proposed by the China Petroleum and Chemical Industry Association.
This part of the National Standardization Technical Committee chemical inorganic chemicals Club (SAC/TC63/SC1) centralized.
This part of the main drafting unit. Xinjiang Institute of Nonferrous Metals, CNOOC Tianjin Chemical Research & Design Institute.
The main drafters of this section. Guan Yuzhen, Wang Hongchuan, Red Army, Lu Siwei.
This section first release.
Anhydrous lithium perchlorate
Part 12. Determination of total nitrogen content
1 Scope
This section provides anhydrous lithium perchlorate determination of total nitrogen in principle, safety tips, general provisions, reagents, instruments, equipment, analytical step
Procedure and results of calculations.
This section applies to anhydrous lithium perchlorate nitrogen (including nitrate, nitrite and ammonium) Determination of the total. Detection range
0.05μg/mL ~ 0.8μg/mL (in N gauge).
2 Normative references
The following documents contain provisions which, through reference GB/T 23835 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 6682-2008 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD)
Preparation of HG/T 3696.2 inorganic chemical products, chemical analysis of impurity standard solution
Preparations of HG/T 3696.3 inorganic chemical products, chemical analysis
Principle 3
In alkaline solution, the alloy can be fixed nitrogen in the sample, nitrate, nitrite reduced to ammonia or ammonium. The ammonia is distilled from an alkaline solution
After the available Nessler colorimetry total nitrogen.
4 Safety Tips
Reagents used in this test method are toxic or corrosive, the operator must be careful! Such as water splashed on the skin should immediately
Flushing, severe cases should be treated immediately.
5 General Provisions
This part of the reagents and water, did not indicate when the other requirements, refer to two analytical reagent and GB/T 6682-2008 specified
water. Standard Solution, formulations and product tests required in the absence of other requirements specified according to HG/T 3696.2, HG/T 3696.3
Provisions prepared.
6 Reagents
6.1 No ammonia;
6.2 Nitrogen alloy (Cu. 50%, Al. 45%, Zn. 5%). fine of not more than 0.85mm;
6.3 sulfuric acid solution. 0.5%;
6.4 Sodium hydroxide solution. 320g/L;
6.5 N standard stock solution. 1mL solution containing nitrogen (N) 0.10mg;
Pipette Pipette 10mL nitrogen standard solution according to HG/T 3696.2 prepared, placed in 100mL volumetric flask, dilute to the mark with water
Degree, shake.
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