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Homepage>BS Standards>13 ENVIRONMENT. HEALTH PROTECTION. SAFETY>13.030 Wastes>13.030.20 Liquid wastes. Sludge>BS EN 13342:2000 Characterization of sludges. Determination of Kjeldahl nitrogen
immediate downloadReleased: 2000-10-15
BS EN 13342:2000 Characterization of sludges. Determination of Kjeldahl nitrogen

BS EN 13342:2000

Characterization of sludges. Determination of Kjeldahl nitrogen

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Standard number:BS EN 13342:2000
Pages:16
Released:2000-10-15
ISBN:0 580 36290 6
Status:Standard
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BS EN 13342:2000


This standard BS EN 13342:2000 Characterization of sludges. Determination of Kjeldahl nitrogen is classified in these ICS categories:
  • 13.030.20 Liquid wastes. Sludge
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).