The method for the determination of Sr microamounts in milk by flame atomic absorption spectrometry (FAAS) is suggested. The main characteristics for the determination of this metal have been optimized and investigated: optimum air and gas pressure; the influence of hydrochloric acid and an effect of time on the absorbance of strontium. The selectivity of the determination of strontium was also investigated. The limiting interfering Sr/M ratios (the determination error ±10%) have been estimated. The suggested technique is simple, fast, accurate and selective.
Momordica charactia lin( Bitter melon) has been the interest of many studies by researchers for a long time due to its very interesting human beneficial properties. It belongs to cucurbitacea family and momordica genus. It is used by human consumption all over the world in different forms such as a vegetable and /or medicine. The researchers have concentrated on the studies on its fruits and some times on its seeds and leaves. The present study is an extensive investigation of the quantitative elements such as Ca, Cd ,Co, Cr, Cu, Fe, Mg, Mn, Pb, Zn, K, N, and P of the fruit- skin, fruit-flesh, fruit-seed, tissue skin, leaf and root of the momordica charantia lin using flame atomic absorption spectrometry. The result shows a quite good variation of the concentration of the elements in different part of the plant.