Chemical oxygen demand (dichromate value) of polluted and waste waters 1977 (two methods, one tentative) 

 - London  Her Majesty's Stationary Office  1978 
 - 14p. ill. 30cm 
 - Methods for the examination of waters and associated materials .
<br/><br/><label>ISBN: </label>0117512494 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Pollution--Experiments<br/>Sewage--Analysis<br/>Biochemical oxygen demand