ASTM D3590-17 PDF

Scope: 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 and health 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.

ASTM D3590-17 Referenced Document

ASTM D1129 Standard Terminology Relating to Water
ASTM D1193 Standard Specification for Reagent Water
ASTM D1426 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D2777 Standard Practice for Determination of Precision and Bias of Applicable Methods of Committee D-19 on Water
ASTM D3370 Standard Practices for Sampling Water from Closed Conduits
ASTM D5810 Standard Guide for Spiking into Aqueous Samples *， 2021-07-01 Update
ASTM D5847 Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis

2017 ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
2011 ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
2002 ASTM D3590-02(2006) Standard Test Methods for Total Kjeldahl Nitrogen in Water
2002 ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
1989 ASTM D3590-89(1994)e1 Standard Test Methods for Total Kjeldahl Nitrogen in Water