scholarly journals Relative Study for the Determination of Calcium and Magnesium in Milk Samples by using Complexometric EDTA Titration and FAAS

Author(s):  
M.E. Shelke ◽  
R.R. Sheikh
1968 ◽  
Vol 51 (4) ◽  
pp. 796-799
Author(s):  
Edward F Steagall

Abstract The method adopted as official, final action last year was studied collaboratively again this year for calcium in canned vegetable products other than canned whole tomatoes. Twenty-six cans each of whole potatoes with calcium declared on the label and sliced potatoes and lima beans without a label declaration for calcium were analyzed by 13 analysts in 12 laboratories. Again the results were easily reproducible, and the agreement between laboratories was good. Because the method gives continuing precision and low standard deviations, it is recommended for adoption as official, final action for pharmaceutical and vitamin-mineral preparations and canned whole tomatoes, and as official, first action for canned potatoes and lima beans.


1970 ◽  
Vol 53 (4) ◽  
pp. 720-720
Author(s):  
Edward F Steagall

Abstract This past year a food additives quality control program was established for Food and Drug Administration field laboratories; one phase involved the determination of calcium in canned whole tomatoes. One can of tomatoes containing declared added calcium and one can without added calcium were each analyzed by 18 participating laboratories. Results on the cans with added calcium showed a mean value of 0.031% with a standard deviation of ±0.0032%. Results on t he cans without added calcium showed a mean value of 0.005% with a standard deviation of ±0.0039%.


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