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Chemical Assessment of Different Brands of Commercial table Salts Sold in Sokoto Central Market, Sokoto

Author Affiliations

  • 1Department of Pharmaceutical and Medicinal Chemistry, Usmanu Danfodiyo University, Sokoto, Nigeria
  • 2Department of Pharmaceutical and Medicinal Chemistry, Usmanu Danfodiyo University, Sokoto, Nigeria
  • 3Department of Pharmaceutical and Medicinal Chemistry, Usmanu Danfodiyo University, Sokoto, Nigeria
  • 4Department of Pharmaceutical and Medicinal Chemistry, Usmanu Danfodiyo University, Sokoto, Nigeria
  • 5Department of Pharmacognosy and Ethnopharmacy, Usmanu Danfodiyo University, Sokoto, Nigeria
  • 6Department of Pure and Applied Chemistry, Usmanu Danfodiyo University, Sokoto, Nigeria
  • 7Department of Pure and Applied Chemistry, Usmanu Danfodiyo University, Sokoto, Nigeria

Res.J.chem.sci., Volume 6, Issue (8), Pages 29-35, August,18 (2016)

Abstract

Table salt is the most common food additive used by a large number of people. Hence, if adulterated, it could pose a serious threat to public health. The present study was aimed at quantitatively and qualitatively assessing five different brands of commercial table salts (TS-1 – TS-5) sold in Sokoto Central Market. The qualitative analysis of each sample was conducted using standard procedures. The level of sodium (Na), potassium (K), copper (Cu), manganese (Mn) and Iron (Fe) was determined using flame photometer and atomic absorption spectroscopy. The results obtained for the salts samples showed that the density values ranges from 2.20 – 2.60 g/cm3 while the moisture content was generally low having 0.50 % but TS-5 had 10.5 %. The solubility value for the salt samples fall within the range of 7.37 – 12.65 g/100g which was thrice the solubility of TS-5 (2.53 g/100g). The degree of hydrosorption for the salt samples were within the range 3.65 – 3.97 g and the conductivity values ranges from 7.11 × 10-2 - 7.11 × 10-2. The pH value of the samples were alkaline having 7.04 – 10.21 and SO42-, Cl-, I- were present in all the samples except for TS-4 which do not contain SO42-. The levels of Na, K, Mn and Fe for most of the salt samples were found to fall within the permissible limit of World Health Organization (WHO) and Cu was not detected in the samples.

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