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- [3] MODIFIED EDTA METHOD FOR DETERMINATION OF SOLUBLE SULPHATES IN SOILS + WATERS CURRENT SCIENCE, 1964, 33 (08): : 242 - &
- [4] DETERMINATION OF SULPHATES BY REDUCTION WITH ELEMENTAL SULPHUR ZHURNAL ANALITICHESKOI KHIMII, 1970, 25 (10): : 1982 - &
- [8] The tension determination of chlorine and sulphur trioxide in chlorides and sulphates BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1913, 46 : 1587 - 1590