ASTM E389 is a standard test method for particle size or screen analysis at 4.75 mm (no .4) sieve and coarser for metal-bearing ores and related materials. Inch-pounds are used to measure the performance of specimens examined using this method.
ASTM E389 Standard Test Method for Particle Size or Screen Analysis at 4.75 mm (No.4) Sieve and Coarser for Metal-Bearing Ores and Related Materials
What is ASTM E389?
What is the Scope of ASTM E389?
The ASTM E389 test technique is a standard test method for particle size or screen analysis of metal-bearing ores and associated materials at no. 4 (4.75 mm) sieve and coarser. This test method is used to ensure the particle size distribution meets compositional standards. All users of this process are expected to be qualified analysts capable of completing common laboratory procedures with expertise and safety. Work will be carried out in a professionally equipped laboratory, with adequate waste disposal processes followed.
ASTM E389 Sample Requirements and Equipments
For the ASTM E389 test method, the material retained on the No. 4 (4.75 mm) sieve is used as the test specimen. A bank of standard sieves is used as the test equipment.
ASTM E389 Testing Procedure and Requirements
This test method determines the size distribution of metal-bearing ores and related materials using screen analysis at the No. 4 (4.75 mm) sieve and coarser. The sample is agitated through a bank of standard sieves in accordance with ASTM E389, and then passed through a bank of standard sieves. Any solid particles that can be dried can be screened using the technique outlined in this procedure, provided sieve blindness is avoided.
ASTM E389 Result Analysis and Interpretation
According to ASTM E389, the percent retained on each sieve is calculated as follows:
Material retained, % = (Wr/Wt) X 100
where:
Wr = mass retained on each sieve
Wt = total mass of all sieve fractions
Updated on September 7, 2026
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