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- [2] Colorimetric determination of iron with salicylic acid - A spectrophotometric study INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1938, 10 : 0136 - 0139
- [4] 5-NITRO-SALICYLIC ACID AS A REAGENT FOR COLORIMETRIC DETERMINATION OF URANIUM CURRENT SCIENCE, 1969, 38 (21): : 511 - &