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Liquid Secondary Calibration Standards

The range of calibration accessories for spectrophotometers now includes liquid secondary standards for instrument calibration, according to national and international standards. Liquid filters are made with high purity calibration solutions sealed in long-lasting Suprasil quartz that fit all common spectrophotometers. The calibration standards are offered in sets and individually. In addition to liquid filters for the UV range, solid filters are available to calibrate instruments in the visible range.

Hellma GmbH & Co. KG
P.O. Box 1163
Mullheim