《sodium chloride-QC1》.docVIP

Hovid Bhd. Appendix 1 Quality Control Department Chemical Specification Requirement for Sodium Chloride Hovid requirement base on Hovid raw mat spec and existing source Material Specification to be filled up by new raw material supplier Chemical parameter required Material Claim BP 2005 Description A white, crystalline powder or colourless crystals white,salty,no peculiar smell,no evident exotic unrelated of salt Identification A. Reaction of Chlorides - The precipitate dissolves B. Reaction of Sodium - A dense, white precipitate is produced Loss on Drying Not more than 0.5% ≤0.5% Appearance of Solution Solution is clear and colourless Solution is clear and colourless Limit of Bromides Not more than 0.010% Acidity or Alkalinity Not more than 0.5 ml of 0.01M Hydrochloric Acid or 0.01M Sodium Hydroxide is required to change the colour of the indicator. Ferrocyanides No blue colour develops within 10 minutes ≤10PPM Iodides The substance shows no blue colour ND Nitrites The absorbance is not greater than 0.01 ≤1PPM Phosphates Not more than 0.0025% ≤0.0025% Sulphates Not more than 0.020% ≤0.020% Arsenic Not more than 1 ppm ≤1PPM Barium Any opalescence in the Test Solution is not more intense than that in the Standard Solution ND Heavy Metals Not more than 5 ppm ≤5PPM Iron Not more than 2 ppm ≤2PPM Magnesium and Alkaline-Earth Metals Not more than 0.01% calculated as Calcium ND Assay 99.0% to 100.5% of Sodium Chloride, calculated with reference to the dried basis ≥99.6% Remarks : 1 Kindly attach Technical Specification for our perusal. 2 Kindly attach result for residual solvents, when applicable. 3 Shelf life : 2 yrs To be commented by new supplier : The material is / is not able to match Hovid’s required specification. Reviewed by: Xie Xingshen ___________________ QC / Technical Manager Company name : China Salt JIntan Co.,LTD