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Agilent Technologies (USA) Chromatopak Analytical Instrumentations (India) Pvt. Ltd.  Pall Corporation (USA)  Techscience Services Pvt. Ltd. (ndia) Parker Hannifin India Pvt. Ltd. Thermo Fisher Scientific Hwashin Technology Company Aaral Tech Pvt. Ltd. Technos Instruments
 
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Reference Standards
 

1. Dr Ehrenstorfer

Certified Reference Material for:

  • Dyes
  • Pharmaceutical & Veterinary Products
  • PCBs
  • PCTs
  • PBBs
  • PAHs
  • US EPA Standard
  • Pesticides & their Metabolites
  • Pesticide Mixes
2. Hamilton

Conductivity Standards:

  • Remains stable for a minimum of 1 – 3 years
  • Certificate with calibration document
  • Expiry date shown on every bottle
  • Bottles are permitted to stay open for a total of 60 minutes

pH Buffer Standards:

  • Convenient 250ml or 500ml bottle with built-in calibration compartment
  • Economical, only about 15ml of buffer is used per calibration
  • Certified pH value from a DKD laboratory
  • Traceability to international standards
  • Expiration date on the bottle
  • Immune to micro-organisms
       

 

 
 
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