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Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography (Includes all amendments and changes 12/27/2016).Translate name
STANDARD published on 15.7.2016
Designation standards: ASTM D8001-16e1
Publication date standards: 15.7.2016
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: American technical standard
Category: Technical standards ASTM
alkaline persulfate digestion, ion chromatography, nitrate, ortho-phosphate, phosphate, total Kjeldahl nitrogen, total nitrogen, total phosphate,, ICS Number Code 13.060.50 (Examination of water for chemical substances)
|Significance and Use|
5.1 This test method allows the simultaneous determination of total nitrogen and total phosphorous from one sample digestion step.
5.2 This test method measures oxidized
ammonia and organic nitrogen (as nitrate) and soluble nitrate
simultaneously. By subtracting the nitrate + nitrite value from a
non-digested sample gives a TKN:
When using this test method:
1.4 The method detection limits (MDL) are shown for reference. The digestion reagent contains background nitrate and results in higher detection limits. MDL will be shown after the interlaboratory study (ILS) is completed.
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.6 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|
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