Laboratory Equipment & Standards
We offer high-quality laboratory equipment, chemicals, and standards to meet your testing and research needs in the petroleum industry
Karl Fischer Reagents






We offer GFS 19026 Watermark® Kit containing 8 x 100 mL Coulometric Vessel Solution for Oils (GFS # 5202) and 8 x 5 mL Universal Gen, for Karl Fischer coulumetric method.
VESSEL SOLUTION, for OILS




Compatible with GR Scientific Aquamax
GFS 19026 Watermark® Kit is 100% compatible with GR Scientific Aquamax Coulometric Karl Fischer Titrator.
Watermark® Karl Fischer Reagents are designed for use with most coulometric systems on the market.


The largest selections of Karl Fischer reagents in the industry, to meet your project's needs. From volumetric and coulometric Karl Fischer reagents to certified water standards, also both pyridine and pyridine-free solutions. Watermark Karl Fischer coulometric reagents have a water capacity over 1000 mg per charge.
Lab equipment and accessories
NEC Scientific supplies handheld and benchtop meters, Microscopes, centrifuges and accessories
NEC Scientific
Quality laboratory equipment, chemicals, and standards.
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