ASTM-C169 Standard Test Methods for Chemical Analysis of Soda-Lime and Borosilicate Glass

ASTM-C169 - 2016 R22 EDITION - CURRENT
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Standard Test Methods for Chemical Analysis of Soda-Lime and Borosilicate Glass
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Scope

1.1 These test methods cover the quantitative chemical analysis of soda-lime and borosilicate glass compositions for both referee and routine analysis. This would be for the usual constituents present in glasses of the following types: (1) soda-lime silicate glass, (2) soda-lime fluoride opal glass, and (3) borosilicate glass. The following common oxides, when present in concentrations greater than indicated, are known to interfere with some of the determinations in this method: 2 % barium oxide (BaO), 0.2 % phosphorous pentoxide (P2O5), 0.05 % zinc oxide (ZnO), 0.05 % antimony oxide (Sb2O3), 0.05 % lead oxide (PbO).

1.2 The analytical procedures, divided into two general groups, those for referee analysis, and those for routine analysis, appear in the following order:

Sections
Procedures for Referee Analysis:
Silica10
BaO, R2O2 (Al2O3 + P2O5), CaO, and MgO11-15
Fe2O3, TiO2, ZrO2 by Photometry and Al2O3 by Complexio-metric Titration16-22
Cr2O3 by Volumetric and Photometric Methods23-25
MnO by the Periodate Oxidation Method26-29
Na2O by the Zinc Uranyl Acetate Method and K2O by the Tetraphenylborate Method30-33
SO3 (Total Sulfur)34 to 35
As2O3 by Volumetric Method36-40
Procedures for Routine Analysis:
Silica by the Single Dehydration Method42-44
Al2O3, CaO, and MgO by Complexiometric Titration, and BaO, Na2O, and K2O by Gravimetric Method45-51
BaO, Al2O3, CaO, and MgO by Atomic Absorption; and Na2O and K 2O by Flame Emission Spectroscopy52-59
SO3 (Total Sulfur)60
B2O361 to 62
Fluorine by Pyrohydrolysis Separation and Specific Ion Electrode Measurement63-66
P2O5 by the Molybdo-Vanadate Method67-70
Colorimetric Determination of Ferrous Iron Using 1,10 Phenanthroline71-76

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

chemical analysis; glass; referee analysis; routine analysis; ICS Number Code 81.040.10 (Raw materials and raw glass)

To find similar documents by ASTM Volume:

15.02 (Glass; Ceramic Whitewares)

To find similar documents by classification:

81.040.10 (Raw materials and raw glass)

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Document Number

ASTM-C0169-16R22

Revision Level

2016 R22 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

July 8, 2022

Document Type

Test Method

Page Count

24 pages

Committee Number

C14.02