Note 69 — CHEMICAL EXAMINATION.
Reading edition
McGowan, George. Kjeldahl process for the estimation of total nitrogen and (indirectly) of total organic nitrogen: Royal Commission on Sewage Disposal, Vol. 4, pt. 5, pp. 24–31, 1904;
Reading edition
McGowan, George. Kjeldahl process for the estimation of total nitrogen and (indirectly) of total organic nitrogen: Royal Commission on Sewage Disposal, Vol. 4, pt. 5, pp. 24–31, 1904;