1 - AS 2503.3-1985 REFRACTORIES AND REFRACTORY MATERIALS - CHEMICAL ANALYSIS - HIGH ALUMINA MATERIALS
3 - PREFACE
4 - CONTENTS
5 - SECTION 1. SCOPE AND GENERAL
5 - 1.1 SCOPE.
5 - 1.2 REFERENCED DOCUMENTS.
5 - 1.3 DEFINITION.
6 - 1.4 REPEATABILITY.
6 - 1.5 PRINCIPLE.
7 - SECTION 2. SAMPLING AND SAMPLE PREPARATION
7 - 2.1 SCOPE OF SECTION.
7 - 2.2 GROSS SAMPLING.
7 - 2.3 PREPARATION OF SAMPLE.
7 - 2.3.1 Crushing.
7 - 2.3.2 Samples for analysis.
8 - SECTION 3. DETERMINATION OF LOSS ON IGNITION
8 - 3.1 SCOPE OF SECTION.
8 - 3.2 APPARATUS.
8 - 3.2.1 Balance
8 - 3.2.2 Muffle furnace
8 - 3.2.3 Drying oven
8 - 3.3 PROCEDURE.
9 - SECTION 4. DETERMINATION OF SILICON, PHOSPHORUS, ALUMINIUM, IRON( III), TITANIUM, MANGANESE, CALCIUM AND MAGNESIUM OXIDES
9 - 4.1 SCOPE OF SECTION.
9 - 4.2 REAGENTS.
9 - 4.2.1 General.
9 - 4.2.2 Solid reagents
9 - 4.2.3 Solutions.
10 - 4.2.4 Standard solutions.
11 - 4.2.5 Indicators.
11 - 4.3 APPARATUS.
11 - 4.3.1 Steam bath.
11 - 4.3.2 Glassware.
11 - 4.3.3 Platinum dish
11 - 4.3.4 UV-Visible spectrometer
11 - 4.4 PROCEDURE.
11 - 4.4.1 Blank determination.
11 - 4.4.2 Preparation of the sample solution.
11 - 4.4.3 Determination of silicon dioxide.
12 - 4.4.4 Determination of phosphorous pentoxide.
13 - 4.4.5 Determination of aluminium oxide.
13 - 4.4.6 Determination of iron(III) oxide.
14 - 4.4.7 Determination of titanium dioxide.
14 - 4.4.8 Determination of manganese oxide.
15 - 4.4.9 Determination of calcium oxide.
15 - 4.4.10 Determination of magnesium oxide.
16 - SECTION 5. DETERMINATION OF SODIUM, POTASSIUM AND LITHIUM OXIDES
16 - 5.1 SCOPE OF SECTION.
16 - 5.2 REAGENTS.
16 - 5.2.1 General.
16 - 5.2.2 Solutions.
16 - 5.3 APPARATUS.
16 - 5.3.1 Flame photometer*.
16 - 5.4 PROCEDURE.
16 - 5.4.1 Preliminary procedures.
16 - 5.4.2 Sodium, potassium and lithium oxides.
17 - SECTION 6. TEST REPORT
18 - APPENDIX A - SCHEME OF ANALYSIS FOR HIGH ALUMINA MATERIALS
18 - A1 LOSS ON IGNITION, SiO2, P2O5, Al2O3, Fe2O3, TiO2, MnO, CaO, MgO.
19 - A2 Na2O, K2O, Li2O.