Evaluation of a Rapid Method used for Detection of Added Sulphate in Milk
Journal Title: International Journal of Agricultural Science and Research (IJASR) - Year 2017, Vol 7, Issue 5
Abstract
In the present study, different qualitative tests used for detection of adulterants in milk were evaluated for (1) sensitivity (LoD), and (2) interference of common preservatives in the detection of adulterants in milk. Sulphate can be detected in milk, using barium chloride test and for checking the sensitivity of test samples of milk were prepared by addition of sodium sulphate at the rate of 0.00, 0.01, 0.025, 0.05, 0.10, 0.15 and 0.20 (g per 100 ml milk). For each adulterant and each qualitative test, five replications were conducted. For detection of sulphate in milk, only barium chloride test is reported. No variation was reported in literature for barium chloride test. The presence of hydrogen peroxide or formaldehyde had no effect on this test, but sodium hydroxide had a negative effect on the test.
Authors and Affiliations
Chaudhari. P. R, Aparnathi. K. D
Keywords
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