Laboratory Essential

Software

Laboratory Essential

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SDCE Grey Scale
3305 SDCE Grey Scale for Change in Colour The grey scale consists of nine pairs of non-glossy neutral grey coloured chips, which illustrate the perceived Colour differences. These give a corresponding fastness rating of 5, 4-5, 4, 3-4, 3, 2-3, 2, 1-2, and 1. They are used in the assessment of Colour change occurring in fastness tests as described in ISO 105-A02. They are also essential in the grading of light fastness tests when using the Light Fastness Standards.
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SDCE Fluorescence Suppressor
This is a laminated glass plate used to overcome optical interference from fluorescent brightening agents on textile, leather and paper. This is essential when grading assessment is carried out on an item containing optical brightening agents.
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SDCE Laboratory Chemicals
Chemicals for use in BS EN ISO 105 E-Series. SDC Enterprises Limited provides a range of chemicals for the test methods in the BS EN ISO 105: E-Series of tests. Chemicals for use in BS EN ISO 105 E02: Colour Fastness to Sea Water. 250g Pack – Sodium Chloride for use in this test method in 250g tubs. Chemicals for use in BS EN ISO 105 E03: Colour Fastness to Chlorinated Water. We can supply the following products for this test method: 250g Pack – Potassium Dihydrogen Phosphate (KH2PO4) 250g Pack – Potassium Iodide (KI)
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