You searched for: Colour Reference and Spectroscopy Standards

Supplier: VWR Chemicals

Linearity standards packed in permanently sealed UV cuvettes or 100 ml amber bottles.

Supplier: VWR Chemicals

Ready to use colour solutions that are prepared gravimetrically on a weight/weight basis and are designed to measure the visual colour of water supplies.

Supplier: VWR Chemicals

These solutions are developed and produced according to chapter 2.2.2. 'Degree of colouration of liquids' of the European Pharmacopoeia. (brown, brown-yellow, green-yellow, red and yellow). These kits are ready to use, and are dedicated to help you save time and money because preparation of these solutions is very complex.

Supplier: VWR Chemicals

Wavelength standards (certified at 0,1; 0,2; 0,5; 1 and 2 nm slit widths) packed in six permanently sealed UV cuvettes or 100 ml amber bottles.

Supplier: VWR Chemicals

Complete range of reagents and standard solutions in Chapters 2 and 4 of the current European Pharmacopoeia.
All are manufactured and tested in compliance with the Ph. Eur. and are supplied with detailed Certificates of Analysis showing batch number, and expiry date.

Supplier: Hach

Calibration solutions for Lico spectral colorimeter.

Supplier: Apollo Scientific

Standard for spectrophotometer calibration, SpectraSynQ 2121, Bottle

Supplier: Merck

The fluid sampling kit is a complete solution for field-based fluid collection and contamination analysis. The stainless steel sampler assembly plugs into a quick-release valve installed in the system line, which allows a measured quantity of liquid to pass through the monitor. A valved syringe serves as a pump to remove residual liquid from the monitor. Kit is compatible with our 37 mm contamination monitors and matched-weight monitors.

Supplier: Hach

For accuracy checks in colour determinations.

Supplier: Thermo Fisher Scientific

Ion calibration solution are mixtures of highly purified ionizable molecules specifically designed for negative mode calibration of ion trap and orbitrap instruments.

Supplier: Thermo Fisher Scientific

These colour reference standards can be used with UV-Vis spectroscopy.

Supplier: Lovibond Tintometer

For routine calibration of colorimeters and verification of test data.

Supplier: HELLMA

The Hellma® calibration standards comply with all necessary standards and regulations and thus offer the highest quality for recalibrating your spectrometer.

Supplier: Thermo Fisher Scientific

Positive ion calibration solutions are mixtures of highly purified ionisable molecules specifically designed for positive mode calibration of ion trap and orbitrap instruments.

Supplier: Thermo Fisher Scientific

Reserpine standard for LC-MS is a precise concentration of reserpine specifically designed for performance evaluation of mass spectrometers.

Supplier: HELLMA

The Hellma® calibration standards comply with all necessary standards and regulations and thus offer the highest quality for recalibrating your spectrometer.

Supplier: MICROSOLV

Wavelength calibration standard solution for UV-Vis detectors is composed of 4% Holmium oxide in 10% Perchloric acid.

Supplier: EKSIGENT

Standards chemical kit with low and high concentrations of polypropylene glycol polymers (PPGs).

Supplier: REAGECON

Colour reference solution no.2 (yellow) for the examination of the degree of colouration of liquids in accordance with the Chinese pharmacopoeia, Glass bottle

Supplier: REAGECON

The products can be used to calibrate, control, qualify and validate colour measurement instruments.

Supplier: VARIAN

These UV-Visible calibration standards and kits provide an inexpensive and time-saving solution for calibrating and qualifying UV-Vis instrumentation.

Supplier: LGC Standards PROMOCHEM

ASTM 1 colour standard, single solution

Supplier: Lovibond

Verification accuracy of photometers and validity of results.

Supplier: LGC Standards PROMOCHEM

Colour standard solution Pt-Co, Pt-Co, 500 units colour

Supplier: LGC Standards PROMOCHEM

This product is intended for the calibration and/or verification of equipment used for the measurement of colour of liquid samples. This product may also be used for visual based methodology.

Supplier: ACTIVE MOTIF

Holmium oxide solution for wavelength control acc. 2.2.25 of Ph Eur

Supplier: CPACHEM

The colour standard is specially intended for use in testing ChP and monographs. This solution was produced according to the specifications using ChP reagent quality components and water meeting the ChP monograph requirement for purified water.

Supplier: ACTIVE MOTIF

2×10 ml Potassium dichromate solution for absorbance control 235 - 350 nm and 6×10 ml

Supplier: RICCA CHEMICAL

EP reference solution BY2, Brownish-yellow standard solution, Glass bottle, amber

Supplier: RICCA CHEMICAL

EP Reference solution BY4, brownish-yellow reference solution, Glass bottle, amber