GB/T 40969-2021 English Version, GB/T 40969-2021 Paper and board—Determination of colour (D50/2°diffuse reflectance method) (English Version)

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GB/T 40969-2021 Paper and board—Determination of colour (D50/2°diffuse reflectance method) (English Version)
Standard No.:	GB/T 40969-2021	Status:	valid remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	8500 words	Translation Price(USD):	255.0 remind me the price change Email:
Implemented on:	2022-6-1	Delivery:	via email in 1~3 business day

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Standard No.:	GB/T 40969-2021
English Name:	Paper and board—Determination of colour (D50/2°diffuse reflectance method)
Chinese Name:	纸和纸板颜色的测定（D50/2°漫反射法)
Chinese Classification:	Y30 Papermaking in general
Professional Classification:	GB National Standard
Source Content Issued by:	SAMR; SAC
Issued on:	2021-11-26
Implemented on:	2022-6-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	8500 words
Translation Price(USD):	255.0
Delivery:	via email in 1~3 business day

Standard

GB/T 40969-2021 Paper and board—Determination of colour (D50/2°diffuse reflectance method) (English Version)
Standard No.	GB/T 40969-2021
Status	valid
Language	English
File Format	PDF
Word Count	8500 words
Price(USD)	255.0
Implemented on	2022-6-1
Delivery	via email in 1~3 business day

Detail of GB/T 40969-2021

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Introduction of GB/T 40969-2021

本文件描述了用消除光泽的漫反射法测定纸和纸板颜色的方法。
本文件适用于印刷用纸和纸板。
当仪器光源照射在试样上的紫外辐射量调准至与GB/T 40277规定的授权实验室提供的在CIE照明体C条件下的荧光参比标准一致时，本方法可用于测定含有荧光增白剂的纸和纸板的颜色。
本文件不适用于添加了荧光染料或颜色染料的纸和纸板。

Contents of GB/T 40969-2021

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Keywords:
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