Crawford Scientific Ltd. Our company provides Chromatography Consumables, Analytical Services and Chromatography / Mass Spectrometry Training. We are a recognised provider of high quality, flexible training packages designed to meet uniform, consistent standards that overcome the inconvenience and disruption often associated with structured staff training. Programs may be designed to fulfill the training and development requirements of your department as a result of a training needs assessment (TNA) - all or part of the training may be supplied by us.