GB/T 40493-2021 Active National standards

GB/T 40493-2021 Determination of lead,cadmium,chromium and mercury content in the finishing material of wood-based panel

Publish Date: 2021-08-20 Implement Date: 2022-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 40493-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Plywood

ICS Name: Comprehensive introduction to wood-based boards

Publish Date: 2021-08-20

Implement Date: 2022-03-01

Pages: 15 pages

Scope

This document describes the methods for determining the content of lead, cadmium, chromium, and mercury heavy metals in the surface materials and finish layers of wood-based panels using instruments such as inductively coupled plasma (ICP) plasma emission spectrometers, atomic absorption spectrometers, and atomic fluorescence spectrometers. This document is applicable to the determination of the content of heavy metals in the surface materials and finish layers of wood-based panels.

Development Information

Word Count: 29 Thousand words Pages: 15 pages

Referenced Standards

JJG 015 JJG 023 GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 21191-2007 Atomic fluorescence spectrometer JJG 694-2009 Atomic Absorption Spectrophotometers JJG 694-1990 Verification Regulation for Atomic Absorption Spectrophotometer JJG 694-2025 Verification Regulation of Atomic Absorption Spectrophotometers

Related Standards

GB/T 17657-1999 Replaced

GB/T 17657-1999 Test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels

Publish Date: 1999-01-25

GB/T 18259-2000 Replaced

GB/T 18259-2000 Wood-based panel & its surface decoration—Terms

Publish Date: 2000-12-04

GB 18580-2001 Replaced

GB 18580-2001 Indoor decorating and refurbishing materials—Limit of formaldehyde emission of wood based panels and finishing products

Publish Date: 2001-12-10

GB/T 19367.1-2003 Replaced

GB/T 19367.1-2003 Wood-based panels—Determination of thickness、width and length of boards

Publish Date: 2003-11-10

GB/T 19367.2-2003 Replaced

GB/T 19367.2-2003 Wood-based panels—Determination of squareness and straightness of boards

Publish Date: 2003-11-10

LY/T 1612-2004 Replaced

LY/T 1612-2004 The climate chamber for determination of formaldehyde emission

Publish Date: 2004-11-03