Methods of sampling and test (physical and chemical)for water and wastewater  Part 29 sulphide/1st rev. 

 - 1st rev. 
 - New Delhi  Bureau of indian standards  1987 
<br/><br/><label>Subjects--Index Terms: </label>IS:3025(Part 29 )-1986 
<br/><br/><label>Dewey Class. No.: </label>628.1/.3:543.35