Hledali jste: Standardy pro referenční barvy a spektroskopii

Supplier: Merck

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

Supplier: Merck

Designed to reassure the user about the accuracy and the reliability of Spectroquant® Multy and Spectroquant® Move 100 colorimeters.

Supplier: Merck

For spectrophotometer calibration according to Ph. Eur.

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.).

Supplier: REAGECON

Colour reference solution B (brown) for testing the colour intensity acc. to Ph. Eur. B1-B9 Reag. Ph. Eur., Glass bottle

Supplier: Merck

The colour reference solution can be used in visual comparison or as part of a calibration of colorimeters and spectrophotometer for colour comparison. The solution can be used to prepare reference solution with different Hazen values.

Supplier: Merck

Standard solutions are used for the calibration of spectrophotometers.

Supplier: Merck

Colour standard, 500 Pt-Co, Supelco®

Supplier: Agilent

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

Supplier: Merck

Color Reference Solutions BY7, Supelco®

Supplier: MILLIPORE

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: 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.).

Supplier: Merck

Color Reference Solutions acc. to USP, analytical standard, Supelco®, Pk Info: Set of 20 x 2 ml (20 standard solution)

Supplier: Merck

Colour standard, ASTM Colour 5, 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.

Supplier: Merck

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

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.).

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.).

Supplier: Merck

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

Supplier: REAGECON

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

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.).

Supplier: Merck

Colour reference table for solids.

Supplier: CPACHEM

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

Supplier: LGC Standards PROMOCHEM

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

Supplier: LGC Standards PROMOCHEM

ASTM 7 colour standard, single solution

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: Lovibond

Verification accuracy of photometers and validity of results.

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: CPACHEM

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