共 50 条
- [21] TITRIMETRIC DETERMINATION OF SULFATE MICROADMIXTURES IN ORGANIC COMPOUNDS ZAVODSKAYA LABORATORIYA, 1972, 38 (04): : 412 - +
- [23] FLAME-PHOTOMETRIC DETERMINATION OF SULFATE ION IN NATURAL WATERS INDUSTRIAL LABORATORY, 1969, 35 (12): : 1793 - &
- [27] SOME REMARKS ABOUT THE TITRIMETRIC DETERMINATION OF AMMONIA IN WATERS ACTA HYDROCHIMICA ET HYDROBIOLOGICA, 1979, 7 (01): : 27 - 34