Sam Murray

Analytical Chemist – Research and Development


  • Graduate Diploma in Chemistry. University of Waikato, 2015
  • BAppSc. Otago Polytechnic, 2004

Role at Cawthron

Sam is an analytical chemist with 12 years' experience in internationally accredited laboratories, having held senior roles such as laboratory manager and technical consultant.

Sam’s unique combination of technical and analytical chemistry expertise has led him to develop and validate a number of methods on state-of-the-art instrumentation.

His research focuses on the chemical analysis of harmful algal blooms for biotoxins and the bioaccumulation of these toxins in marine species, as well as on the isolation and purification of natural products.

Sam’s current work within MBIE’s Safe New Zealand Seafood programme is aimed at enhancing the understanding of microalgal species abundance, distribution and toxicity in the South Pacific ocean, in particular the species associated with ciguatera fish poisoning.

Technical skills

  • Analytical Chemistry
  • Analytical method development, validation and trouble shooting - LC-MS/MS, UPLC, HPLC, qPCR
  • Natural product isolation and purification
  • Sampling and analysis of marine micro-algae, invertebrates, fish and other aquatic organisms
  • Enzymatic analysis of anadromous fish
  • Knowledge of ISO17025, IANZ and LAS requirements and accreditation

Publication links

03 548 2319 ext 360