HG/T 4103-2009
Chemical reagent.General method for the determination of organic nitrogen compounds (English Version)
- Standard No.
- HG/T 4103-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- Professional Standard - Chemical Industry
- Latest
- HG/T 4103-2009
- Scope
- This standard specifies a general method for converting nitrogen in organic compounds into ammonia, absorbing the distilled ammonia with boric acid solution, and determining nitrogen content by acid-base titration. This standard applies to the determination of constant nitrogen in organic reagents. For nitrogen-nitrogen and nitrogen-oxygen organic nitrogen compounds, such as azo, hydrazine, hydrazone, nitro, nitroso, urea, etc., appropriate pretreatment must be carried out in accordance with the standards before being measured using this standard.
HG/T 4103-2009 Referenced Document
- GB/T 601 Chemical reagent.Preparations of reference titration solutions*， 2016-10-13 Update
- GB/T 603 Preparation of preparations and products used in chemical reagent test methods*， 2023-08-06 Update
- GB/T 6682 Water for analytical laboratory use.Specification and test methods
HG/T 4103-2009 history
- 2009 HG/T 4103-2009 Chemical reagent.General method for the determination of organic nitrogen compounds
