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- [31] ESTIMATION OF ALKALI METALS IN BLOOD AND URINE BY INTERNAL STANDARD FLAME PHOTOMETRY SCANDINAVIAN JOURNAL OF CLINICAL & LABORATORY INVESTIGATION, 1950, 2 (03): : 257 - 260
- [34] Evaluation of Nitrate as Internal Standard for Quantitative Determination of Urea in Urine by Raman Spectroscopy BRAZILIAN JOURNAL OF ANALYTICAL CHEMISTRY, 2018, 5 (19): : 22 - 28
- [39] ISOTOPIC ANALYSIS OF URANIUM USING AN INTERNAL STANDARD NUCLEAR INSTRUMENTS & METHODS, 1965, 34 (01): : 163 - &
- [40] Squalene quantification using octadecylbenzene as the internal standard INNOVATIVE RESEARCHES ON ALGAL BIOMASS, 2012, 15 : 43 - 46