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API SPEC 14L: Lock Mandrels and Landing Nipples : Reaffirmed

$

273

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API SPEC 20F: Corrosion Resistant Bolting for Use in the Petroleum and Natural Gas Industries : Reaffirmed

$

169

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API TR 5NCL Nickel Content Limits for API 5CT Sour Service Products

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149

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API SPEC 19ICD: Inflow Control Devices : Reaffirmed

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189

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API MPMS CH 23.2: Reconciliation of Liquid Tank Car(s) Quantities : Reaffirmed

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218

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API SPEC 16A: Specification for Drill-through Equipment

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API RP 13B-2: Field Testing Oil-based Drilling Fluids wA1

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ISO 22700:2019

ISO 22700:2019 Leather – Measuring the colour and colour difference of finished leather

CDN $115.00

Description

This document specifies a method for the correct measurement of the colour of finished leather by instrumental means. The document describes general concepts of colour measurement adapted to leather and the calculation of differences in colour.

This document defines the following:

a) the use of D65 as the standard light source for the leather industry;

b) the use of D65 light source 10° as standard conditions for colour matching, for the definition of daylight simulators and as the reference light source for metamerism analysis;

c) the use of CIEDE2000 as the colour difference formula.

Edition

1

Published Date

2019-03-13

Status

PUBLISHED

Pages

12

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document specifies a method for the correct measurement of the colour of finished leather by instrumental means. The document describes general concepts of colour measurement adapted to leather and the calculation of differences in colour.

This document defines the following:

a) the use of D65 as the standard light source for the leather industry;

b) the use of D65 light source 10° as standard conditions for colour matching, for the definition of daylight simulators and as the reference light source for metamerism analysis;

c) the use of CIEDE2000 as the colour difference formula.

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