000 00513nam a2200169Ia 4500
008 170101s1970 xx 000 0 und d
082 _a389.6 IS:5438
100 _aIndian Standards Institution
245 0 _aSpecification for nitrobenzene-sulphonic acid, sodium salt
260 _bNew Delhi
_c1970
300 _a10p
440 _aIS:5438-1969
650 _aNITROBENZOIC ACID - SPECIFICATIONS
653 _aNITROBENZOIC ACID - SPECIFICATIONS
653 _aSULPHONIC ACIDS - SPECIFICATIONS
942 _2ddc
_cB
999 _c54336
_d54336