000 00412nam a2200109Ia 4500
082 _aIS Code
_bI.S.I
100 _aBureau of Indian Standards[BIS]
245 _aIS:3025-(Pt.35)-1988. Indian standard methods of sampling and test (physical and chemical) for water and waste water. Pt.35 : silica (First revision).
260 _aNew Delhi
_bBureau of Indian Standards
_c1988
300 _a6p.
890 _aIndia
999 _c18766
_d18766