000 00653 a2200241 4500
001 376094
020 _a
041 _aeng
080 _aDBSI 6068 : part - 2 : sect. - 2.25 : 1986
245 _aWater quality : part - 2 : physical, chemical and biochemical methods : section - 2.25 : method for determination of free chlorine and total chlorine : titrimectric method using N,N-diethyl-1, 4-phenylenediamine
250 _a
260 _aLondon
260 _bBSI
260 _c1986
300 _a9 p.
300 _c
856 _u
490 _aBSI 6068 : part - 2 : sect. - 2.25 : 1986
700 _a
650 _a
650 _a
942 _cPP
942 _2UDC
999 _c252469
_d252469