AS 1774.25-1998

This Standard has been reconfirmed. To view or download the Reconfirmation Notice please click here.

1 - AS 1774.25-1998 REFRACTORIES AND REFRACTORY MATERIALS-PHYSICAL TEST METHODS - DETERMINATION OF DENSITY BY THE REES-HUGILL METHOD
1 - PREFACE
1 - METHOD
1 - 1 SCOPE
1 - 2 REFERENCED DOCUMENTS
1 - 3 DEFINITIONS
1 - 3.1 Capacity to any graduation line
1 - 3.2 Powder density
2 - 4 PRINCIPLE
2 - 5 SAFETY
2 - 6 APPARATUS AND MATERIAL
2 - 6.1 Displacement flask
2 - 6.2 Grinder
2 - 6.3 Sieve
2 - 6.4 Drying oven
2 - 6.5 Desiccator
2 - 6.6 Balance
2 - 6.7 Thermostatically controlled water bath
2 - 6.8 Displacement liquid
2 - 6.9 Funnel
2 - 6.10 Pipette
2 - 7 SAMPLE
2 - 8 PROCEDURE
3 - 9 CALCULATION
3 - 10 REPORTING OF RESULTS
4 - APPENDIX A - DESCRIPTION OF REES-HUGILL POWDER DENSITY FLASK
4 - A1 SCOPE
4 - A2 RANGE
4 - A3 MATERIAL
4 - A4 CONSTRUCTION
4 - A4.1 General
4 - A4.2 Lower section
4 - A4.3 Bulb
4 - A4.4 Neck
4 - A4.5 Stopper
4 - A5 DIMENSIONS
4 - A6 CAPACITY
5 - A7 TOLERANCE ON CAPACITY
7 - A8 GRADUATION LINES
7 - A9 LENGTH AND NUMBERING OF GRADUATION LINES
7 - A10 MARKING
9 - APPENDIX B - CAPACITIES MEASURED ABOVE THE DATUM MARK CORRESPONDING TO NUMBERED GRADUATION LINES

Describes a procedure for determining the density of refractory materials of particle size less than 500µm.

This Standard describes the procedure for determining the density of refractory materials of particle size less than 500 ¦m. The method is applicable to material of density greater than 2000 kg/m3but less than 4860 kg/m3.NOTE: This method may not give the true density, which is determined by the method given in AS 1774.6.

Originated as AS R31.25-1966.
Previous edition AS 1774.25-1992.
Third edition 1998.