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Technidyne Color Touch instruments available from IDM Instruments

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article image Technidyne Colour Touch with added feature, from IDM Instruments

The Technidyne Colour Touch instruments, available from IDM Instruments , now have the added feature of ISO standard related to ERIC 950 measurement.

The ISO standard is used for the determination of the effective residual ink concentration (ERIC number) by infrared reflectance measurement. It specifies a method for the determination of the residual ink concentration (ERIC number) by infrared reflectance measurement.    

The Colour Touch with ERIC when applied to the ISO standard is applicable to various types of deinked, recycled pulp and to sheets of machine-made paper made from recycled pulp, where the residual ink is black. The method is applicable to materials available in sheet form if the opacity at 950 nm is less than 97%.    

The ERIC number obtained is dependent on the distribution of ink particle sizes, and the method is most effective for submicron particles. The value obtained is reliable if the test material is uniform in ink distribution, formation and grammage such that presenting different parts of the sheet to the measuring aperture of the reflectometer produces similar readings.

The Technidyne Colour Touch model now adheres to TAPPI T 567, PAPTAC E.8 and ISO 22754, all using the original 950 nm method.

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