BS 2975-2:2008
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Sampling and analysis of glass-making sands – Methods for chemical analysis
Published By | Publication Date | Number of Pages |
BSI | 2008 | 30 |
This British Standard describes methods suitable for the chemical analysis of glass-making sands, including instrumental methods using X-ray fluorescence spectrometry (XRF), inductively coupled plasma optical emission spectrometry (ICP-OES), ultraviolet-visible spectrometry (UV-VIS) and atomic absorption spectrometry (AAS).
PDF Catalog
PDF Pages | PDF Title |
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3 | Contents 1 Scope 1 2 Normative references 1 3 Type of material 1 4 Sample preparation 2 5 Loss on ignition (LOI) 4 6 X-ray fluorescence (XRF) 5 7 Wet chemistry 8 8 Combustion 21 Annexes Annex A (informative) Guidance on using the XRF pressed powder method (see 6.3) 22 Annex B (informative) Compositions of sand CRMs 23 Bibliography 24 List of tables Table 1 – Calibration ranges and methods 1 Table 2 – Suitable grinding media for silica sands 3 Table B.1 – Composition of sand CRMs 23 |
4 | Foreword |
5 | 1 Scope 2 Normative references 3 Type of material Table 1 Calibration ranges and methods |
6 | 4 Sample preparation 4.1 General 4.2 Apparatus |
7 | Table 2 Suitable grinding media for silica sands 4.3 Procedure |
8 | 4.4 Validation of grain size 5 Loss on ignition (LOI) 5.1 Apparatus 5.2 Procedure |
9 | 6 X-ray fluorescence (XRF) 6.1 General a) fused cast beads; b) pressed powder pellets; c) loose powders. a) mineralogical and particulate effects are removed; b) calibration can include beads prepared from mixtures of pure oxides or carbonates in addition to CRMs; c) dilution with borate flux might significantly affect the sensitivity of analytes present at “trace” level. |
10 | 6.2 XRF fused cast bead 6.3 XRF pressed powder pellet 6.3.1 Apparatus 6.3.2 Reagents 6.3.3 Procedure |
11 | 6.3.4 Calibration 6.4 XRF loose powder 6.4.1 General a) film thickness and composition; b) X-ray transmission; c) strength; d) film impurities; e) ease of handling. 6.4.2 Apparatus |
12 | 6.4.3 Procedure 6.4.4 Calibration 7 Wet chemistry 7.1 Apparatus |
13 | 7.2 Reagents 7.3 Standard solutions |
15 | 7.4 ICP-OES |
16 | 7.4.16 Calibration 7.4.17 Calculation of result 7.5 Atomic absorption spectroscopy 7.5.1 Determination of Cr2O3 |
17 | 7.5.2 Calibration of atomic absorption spectrometer (AAS) 7.5.2.1 General 7.5.2.2 Determination by atomic absorption 7.5.3 Determination of Al2O3 |
18 | 7.5.4 Determination of CaO, MgO, Mn3O4, Na2O and K2O 7.6 Colorimetric, UV-VIS spectrometer |
19 | 7.6.1 Fe2O3 7.6.1.1 Principle 7.6.1.2 Procedure 7.6.1.3 Calibration |
20 | 7.6.2 TiO2 7.6.2.1 Principle 7.6.2.2 Procedure 7.6.2.3 Calibration |
21 | 7.7 Alkali metals by emission techniques 7.7.1 Procedure |
22 | 7.7.2 Calibration 7.8 SiO2 7.8.1 Procedure |
24 | 7.8.2 Colorimetric blank 7.8.3 Calibration 7.8.4 Procedure for determination of silica by “loss on HF or apparent silica” (suitable for high purity sands), where the SiO2 content is above 99.5% |
25 | 8 Combustion 8.1 Principle 8.2 Apparatus 8.3 Procedure |
26 | Annex A (informative) Guidance on using the XRF pressed powder method (see 6.3) |
27 | Annex B (informative) Compositions of sand CRMs Table B.1 Composition of sand CRMs |
28 | Bibliography |