Weltnexx insights

European sourcing and laboratory supply insights

Practical articles for professional buyers covering laboratory chemicals, chemical raw materials, documentation and European sourcing.

SDS vs TDS vs CoA: which document do you need?

A practical comparison of safety, technical specification and batch-analysis documents used when purchasing chemicals.

How analytical technique, detector sensitivity and method requirements determine the appropriate solvent grade.

Twelve technical and compliance checks to complete before purchasing laboratory equipment from Europe.