Quality Control

Quality Control
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  • Sampling facilities should be designed to: A.Prevent contamination of the opened container,the materials and the operator.
  • Ethanol
  • CaCO3
  • Sodium  Bicarbonate
  • NaOH
  • B.Prevent cross-contamination by other materials,products and the environment.
  • CaCO3
  • Sodium  Bicarbonate
  • NaOH
  • Ethanol
  • HCl
  • CaCO3
  • NaOH
  • C.Protect the individual who samples (sampler) during the sampling procedure.
  • CaCO3
  • Sodium  Bicarbonate
  • NaOH
  • Ethanol
  • The area in which the sample was taken should be recorded in the sampling record and a sequential log should be kept of all materials sampled in each area.
  • SAMPLING AREA
  • SAMPLING RECORDS->
  • SEQUENTIAL LOGS->
  • Calcium Carbonate
  • Whenever possible, this work should be carried out in a separate,closed cubicle within the warehouse, to reduce the risk of contamination (e.g.dust) of either the sample or the materials remaining in the container or of cross-contamination.
  • Ammonium    Bromide
  • Ammonium Bromide
  • Boric  Acid
  • The inspector should ensure that the quantity of sample taken is sufficient for the intended analyses and for the retention samples, and that all units sampled are derived from the same batch and preferably from the same location.
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