GB/T 7143-2025 Active National standards

GB/T 7143-2025 Methods for chemical analysis of silica sand for foundry

GB/T 7143-2025 Methods for chemical analysis of silica sand for foundry

Publish Date: 2025-02-28 Implement Date: 2025-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7143-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Casting

ICS Name: Rolling, extrusion, and drawing equipment

Publish Date: 2025-02-28

Implement Date: 2025-09-01

Pages: 28 pages

Scope

This document describes the sample preparation and testing methods for the chemical composition analysis of silica sand used in casting.
This document is applicable to the determination of chemical components such as silica, alumina, iron oxide, titanium oxide, calcium oxide, magnesium oxide, potassium oxide, and sodium oxide in natural silica sand, selected quartz sand, and artificial quartz sand used in casting.
Note: The parallel determination methods in this document are selected based on specific circumstances.

Development Information

Word Count: 48 Thousand words Pages: 28 pages

Replace the following standards

GB/T 7143-2010 Methods for chemical analysis of silica sand for foundry

Referenced Standards

GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 2684-1981 Foundry sands and sand mixtures for casting—Method of testing GB/T 2684-2009 Test methods for foundry sands and molding mixtures GB/T 5611-1998 Foundry terminology GB/T 5611-2017 Foundry terminology 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 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 21114-2019 Refractories—Chemical analysis by X-ray fluorescence(XRF)—Fused cast-bead method GB/T 2684-2025 Test methods for foundry sands and molding mixtures

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