Colour Reference and Spectroscopy Standards

Color reference and spectroscopy standards are used to routinely monitor optical spectrometer mechanisms. The calibration solutions provide the base readings that users can compare with the electromagnetic radiation wavelengths and intensities scientific instruments obtain. Placing the reference solution inside, users can zero out settings to reestablish proper mechanics and eliminate systematic error. For quality control, the color reference and spectroscopy standards guarantee that the machines function properly for accurate spectral lines.

Colour reference solutions, ready to use, according to Ph. Eur., Certipur®, Supelco®

Supplier: Merck

Certipur® colour reference solutions are developed for ‘Method 1’ as described in chapter 2.2.2 of the European Pharmacopoeia.

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Standards for spectrophotometer calibration, test set, Supelco®

Supplier: Merck

Standard solutions are particularly used for calibrating the absorbance of spectrophotometers.

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Standards for spectrophotometer calibration, Supelco®

Supplier: Merck

Standard solutions are used for the calibration of spectrophotometers.

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UV/Visible standards, Supelco®

Supplier: Merck

For spectrophotometer calibration according to Ph. Eur.

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Standards, Spectroquant® CombiCheck, Supelco®

Supplier: Merck

Spectroquant® CombiCheck solutions are ready to use multi-parameter standards for the range of applications of Spectroquant® test system. Each pack contains a standard solution and a spiking solution. Both solutions can be used for quality assurance as they are, without dilution.

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PipeCheck standards for checking volumes of pipettes by photometry, Spectroquant®, Supelco®

Supplier: Merck

Check solutions (4x6 cells) and reference solutions (4 cells ) for checking the volume of pipettes Spectroquant®, Spectroquant®

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Colour Reference Solutions acc. to USP, analytical standards, Supelco®

Supplier: Merck

Color Reference Solutions acc. to USP, analytical standard, Supelco®, Pk Info: Set of 20 x 10 ml (20 standard solution)

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Supelco® Colour Reference Solutions, set of colours B, BY, Y, GY, R, ampoules of 10 ml, Merck

Supplier: Merck

The kit contains set of brown(92936), yellow (83967), red (95872), greenish-yellow (90269), and brownish-yellow (72666) colour reference standards. The solutions are produced from three primary metal salt solutions of ferric(III) chloride, cobalt(II) chloride, and copper(II) sulfate pentahydrate, in accordance with chapter 2.2.2 ′Degree of colouration of liquids′ of the European Pharmacopoeia (Ph. Eur.).

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Colour reference solution acc. to APHA, analytical standard, Supelco®

Supplier: Merck

Color Reference Solution acc. to APHA, Supelco®, Ampoule, Pk Info: Set of 20 × 2 ml 20 standard solutions

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Supelco® Colour Reference Solutions, set of colours Y, ampoules of 2 ml, Merck

Supplier: Merck

The kit contains a set of seven yellow colour reference standards (identified sequentially from Y1 to Y7) and a 1% hydrogen chloride solution in water. The solutions are produced from two primary metal salt solutions of ferric(III) chloride and cobalt(II) chloride, in accordance with chapter 2.2.2 ′Degree of colouration of liquids′ of the European Pharmacopoeia (Ph. Eur.).

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Supelco® Colour Reference Solutions, set of colours B, ampoules of 2 ml, Merck

Supplier: Merck

The kit contains a set of nine brown colour reference standards (identified sequentially from B1 to B9) and a 1% hydrogen chloride solution in water. The solutions are produced from three primary metal salt solutions of ferric(III) chloride, cobalt(II) chloride, and copper(II) sulfate pentahydrate, in accordance with chapter 2.2.2 ′Degree of colouration of liquids′ of the European Pharmacopoeia (Ph. Eur.).

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Supelco® Colour Reference Solutions, set of colours B, BY, Y, GY, R, ampoules of 2 ml, Merck

Supplier: Merck

The kit contains set of brown(83951), yellow (83883), red (87448), greenish-yellow (82995), and brownish-yellow (86293) colour reference standards. The solutions are produced from three primary metal salt solutions of ferric(III) chloride, cobalt(II) chloride, and copper(II) sulfate pentahydrate, in accordance with chapter 2.2.2 ′Degree of colouration of liquids′ of the European Pharmacopoeia (Ph. Eur.).

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Supelco® Colour Reference Solutions, set of colours BY, ampoules of 2 ml, Merck

Supplier: Merck

The kit contains a set of seven brownish yellow colour reference standards (identified sequentially from BY1 to BY7) and a 3.7% hydrogen chloride solution in water. The solutions are produced from three primary metal salt solutions of ferric(III) chloride, cobalt(II) chloride, and copper(II) sulfate pentahydrate, in accordance with chapter 2.2.2 ′Degree of colouration of liquids′ of the European Pharmacopoeia (Ph. Eur.).