Brydningsindex Standarder

Supplier: VWR Chemicals

These standards are for the calibration of refractometers prior to use.

Supplier: Merck

Adskillige referencematerialer til brug ved instrumenttest beskrives i European pharmacopoeias (dvs. Ph Eur. 2.2.6). I dette tilfælde anbefales stofferne trimethylpentan, toluen og methylnaphthalen. Denne instrumenttest skal udføres før hver analyse. Det omfattende produktsortiment indeholder velegnede standarder til stort set alle driftsområder; intervallet dækker 1,3915-1,6160 (20 °C).

Supplier: Merck

Refractive index standards traceable to SRM from NIST and PTB.

Supplier: VWR Chemicals

The Refractive Index and Density Certified Reference Materials provide a flexible, cost-effective and efficient solution to any laboratory calibrating and/or verifying refractive index and density measurements – all from a single material.

Supplier: VWR Chemicals

A range of Brix/refractive index standards for ease of use when calibrating all types of refractometers.

Supplier: VWR Chemicals

Refractive index Certified Reference Materials (CRMs) are ideal for verification and calibration of temperature controlled refractometers, with each CRM providing certified values for refractive index measurements at 20, 25 and 30 °C.

Supplier: VWR Chemicals

Refractive index of each standard is verified using a calibrated and temperature controlled refractometer.

Supplier: BELLINGHAM STANLEY

Quartz control plates for the calibration and verification of polarimeters. of optical and digital polarimeters and saccharimeters.

Supplier: BELLINGHAM STANLEY

Solid test plates offer a convenient method of calibration and verifying the performance of optical handheld and Abbe refractometers.

Supplier: BELLINGHAM STANLEY

En række af væsker til kontrol/kalibrering af den lave og den høje ende af den refraktive indeks skala og den tilhørende Brix skala.

Supplier: BELLINGHAM STANLEY

Sucrose solutions are an extremely easy to use medium for verifying and calibrating refractometers measuring in the Brix scale, as no special consideration is required when testing instruments at ambient temperature fitted with ATC.

Supplier: Atago

Standardvæske-LK, til håndholdte refraktometre i Master-serien

Supplier: Atago

Sucrose solutions are used for confirming the Brix measurements of refractometers.

Supplier: REAGECON

Refractive index standards (stabilised sucrose) 1,39986 nD at 20 °C is a high quality product, with an extended shelf life to be used either as a calibrant or analytical control material for use in refractive index based methods for refractive index determination. This product can be used on any make or model of refractometer.

Supplier: Mettler - Toledo

These combined reference standards are intended to reduce uncertainty, eliminate time-consuming and error prone sample transfer and facilitate fully automatic performance verification.