COLOUR EQUIPMENT [SPECTROPHOTOMETER]

On this occasion we would like to talk about our Colour Equipment, a reflection spectrophotometer used to measure colour.

What is a reflection spectrophotometer for?

A reflection spectrophotometer allows colour measurement in the CIELAB space of solid samples, pastes, granules… in a few seconds. In this way, we can easily obtain the colour coordinates of the product or compare it with another reference product.

Q: What is the CIELAB colour space?

A: It is the most widely used space and units for colour determination.

L* a* b* are coordinates that define a colour, these coordinates can be represented in the chromatic circle and in this way the representation of the colour would be visual, we could define each one of them as

L* = Luminosity.

a* = Colour tendency to red (positive) or green (negative).

b* = Colour tendency to yellow (positive) or blue (negative).

CIELAB

P: And what are its real applications?

R: We use it for:

– Analyze the samples at reception and see variations in chlorine with our previous samples

– Analyse the different colour intensity in pigments, practically imperceptible to the human eye.

– To determine the whiteness of a product, which is essential for a wide variety of applications

And all these applications can be combined with our climatic chamber, to see how climatic and ageing variations affect the colour of our products.

 “We are what we do every day. So excellence is not an act but a habit.”
– Aristotle
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