ASTM D3590-17(2025)
Standard Test Methods for Total Kjeldahl Nitrogen in Water
1.1 These test methods cover the determination of total Kjeldahl nitrogen. Section 24 on Quality Control pertains to these test methods. The following test methods are included:
|
| Sections |
| Test Method A—Manual Digestion/Distillation | 8 – 14 |
| Test Method B—Semiautomated Colorimetric Bertholt | 15 – 23 |
1.2 The analyst should be aware that precision and bias statements included may not necessarily apply to the water being tested.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Collections
Publication date
Number of pages
Reference
Classification index
COBAZ is the simple and effective solution to meet the normative needs related to your activity, in France and abroad.
Available by subscription, CObaz is THE modular solution to compose according to your needs today and tomorrow. Quickly discover CObaz!
Request your free, no-obligation live demo
I discover COBAZ