000 00407nam a2200109Ia 4500
082 _aIS Code
_bI.S.I
100 _aBureau of Indian Standards[BIS]
245 _aIS:3025-(Pt.26)-1986. Indian standard methods of sampling and test (physical and chemical) for water and waste water. Pt.26 : chlorine, residual.
260 _aNew Delhi
_bBureau of Indian Standards
_c1998
300 _a3p.
890 _aIndia
999 _c18757
_d18757