ASTM D3590-89(1994)e1
Historical Standard: ASTM D3590-89(1994)e1 Standard Test Methods for Total Kjeldahl Nitrogen in Water
SUPERSEDED (see Active link, below)
ASTM D3590
1. Scope
1.1 These test methods cover the determination of total Kjeldahl nitrogen. The following test methods are included:
| Sections | |
| Test Method AManual Digestion/Distillation | 8 to 14 |
| Test Method BSemiautomated Colorimetric Bertholt | 15 to 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 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
D1129 Terminology Relating to Water
D1193 Specification for Reagent Water
D1426 Test Methods for Ammonia Nitrogen In Water
D2777 Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water
D3370 Practices for Sampling Water from Closed Conduits
D5810 Guide for Spiking into Aqueous Samples
D5847 Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
Keywords
analysis; colorimetric; distillation; TKN; water; Bertholt method; Brackish water/brines; Colorimetric analysis--water; Distillation; Inorganic compounds--water; Kjeldahl method; Manual digestion method; Organic compounds--water; Nitrogen content--water; Semi-automated methods; TKN;
ICS Code
ICS Number Code 13.060.50 (Examination of water for chemical substances)
DOI: 10.1520/D3590-89R94E01
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