释义 |
Kjeldahl apparatus Kjel·dahl ap·pa·ra·tus (kyel'dahl), equipment used in nitrogen analysis that distills ammonia arising from acid decomposition of an organic compound.Kjeldahl, Johan G.C., Danish chemist, 1849-1900. Kjeldahl apparatus - an apparatus used in nitrogen analysis.Kjeldahl methodmacro-Kjeldahl method - a procedure for analyzing the content of nitrogenous compounds in urine, serum, or other specimens.micro-Kjeldahl method - a modification of the macro-Kjeldahl method designed for the analysis of nitrogenous compounds in relatively small quantities. |