GB/T 5463.1-1985
Replaced
GB/T 3286.2-2025
Active
National standards
GB/T 3286.2-2025 Methods for chemical analysis of limestone and dolomite—Part 2:Determination of silicon and aluminium content
GB/T 3286.2-2025 Methods for chemical analysis of limestone and dolomite—Part 2:Determination of silicon and aluminium content
Price:
$ 75
Basic Information
Standard Code:
GB/T 3286.2-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Metallurgical auxiliary raw material minerals
ICS Name:
Non-metallic minerals
Publish Date:
2025-08-29
Implement Date:
2026-03-01
Pages:
24 pages
Scope
This document describes the determination of silica content using the silicomolybdenum blue spectrophotometry, perchloric acid dehydration gravimetry, and inductively coupled plasma emission spectrometry; and the determination of alumina content using the chromotropic S spectrophotometry, complexometric titration, and inductively coupled plasma emission spectrometry. This document is applicable to the determination of silica and alumina content in limestone, dolomite, and metallurgical lime. - Silicomolybdenum blue spectrophotometry: Determination range (mass fraction): 0.050% to 4.00% silica content. - Perchloric acid dehydration gravimetry: Determination range (mass fraction): silica content greater than 2.00%. - Inductively coupled plasma emission spectrometry: Determination range (mass fraction): 0.070% to 3.50% silica content. - Chromotropic S spectrophotometry: Determination range (mass fraction): 0.010% to 0.75% alumina content. - Complexometric titration: Determination range (mass fraction): alumina content greater than 0.50%. - Inductively coupled plasma emission spectrometry: Determination range (mass fraction): 0.040% to 1.00% alumina content.
Development Information
Replace the following standards
GB/T 3286.2-2012 Methods for chemical analysis of limestone and dolomite—Part 2:The determination of silicon dioxide content—The silicomolybdic blue spectrophotometric method and the perchloric acid dehydration gravimetric method
GB/T 3286.3-2012 Methods for chemical analysis of limestone and dolomite—Part 3:The determination of aluminium oxide content—The chrome azurol S spectrophotometric method and the complexometric titration method
Referenced Standards
GB/T 2007.2-1987 General rules for the sampling and sample preparation of minerals in bulk Sample preparation by manual method
GB/T 6379.1-2004 Accuracy(trueness and precision)of measurement methods and results—Part 1:General principles and definitions
GB/T 6379.2-2004 Accuracy(trueness and precision)of measurement methods and results—Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method
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 12806-1991 Laboratory glassware—One-mark volumetric flasks
GB/T 12806-2011 Laboratory glassware—One-mark volumetric flasks
GB/T 12807-1991 Laboratory glassware—Graduated pipettes
GB/T 12807-2021 Laboratory glassware—Graduated pipettes
GB/T 12808-1991 Laboratory glassware—One-mark pipettes
GB/T 12808-2015 Laboratory glassware—One mark pipettes
JJG 768-2005 Emission Spectrometer
Related Standards
GB/T 5463.2-1985
Replaced
GB/T 5463.2-1985 Technical terms of non-metallic mineral products—Talc
GB/T 5463.3-1986
Replaced
GB/T 5463.3-1986 Technical terms of non-metallic mineral products—Gypsum and anhydrite
GB/T 14505-1993
Replaced
GB/T 14505-1993 Method for chemical analysis of rocks and ores—General rules and regulations
GB/T 14506.10-1993
Replaced
GB/T 14506.10-1993 Silicate rocks—Determination of manganese oxide
GB/T 14506.11-1993
Replaced