Nwankwo, Jerry N. <br/><br/>
A comparative study of the use of barium chloride and barium chromate for determination of sulphate in waters. 

 - Lusaka :  National Council for Scientific Research,  1978. 
 - National Council for Scientific Research, Zambia. Technical Report ;  43 National Council for Scientific Research, Zambia. Water Quality Research Report ;  WQ2 .
 - National Council for Scientific Research (Zambia). Technical report ;  National Council for Scientific Research (Zambia). Technical report ;  43. National Council for Scientific Research (Zambia). Water quality research report ;  National Council for Scientific Research (Zambia). Water quality research report ;  WQ2. .
<br/><br/>Bibliography: p. 5. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sulphates.<br/>Water -- Pollution.--Water -- Pollution.