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Normas BSI – AENOR
BS EN 13342:2000

BS EN 13342:2000

Characterization of sludges. Determination of Kjeldahl nitrogen

2000-10-15 /Confirmed
Equivalencias internacionales:

EN 13342:2000

This method describes a procedure for the determination of "Kjeldahl Nitrogen" in sludge and sludge products. The digestion is catalysed by selenium or copper, the temperature being raised by a high concentration of sodium sulphate. Although wet samples are normally taken for analysis, it is recognised practice to report results on a dry mass basis (g/kg). Consequently, it is also necessary to determine the dry residue of the homogenised sample used for analysis (see EN 12880).
Dry weight determination, Sludge, Sewage treatment, Kjeldahls method, Sulfates, Chemical analysis and testing, Selenium, Interferences (chemical), Water treatment, Nitrogen, Determination of content, Copper, Sodium
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