ASTM-E877 2008

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E877-08 Standard Practice for Sampling and Sample Preparation of Iron Ores and Related Materials for Determination of Chemical Composition

Published By	Publication Date	Number of Pages
ASTM	2008	9

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Categories: 73.060.10 - Iron ores, ASTM

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Description

1.1 This practice covers procedures for mechanical sampling of iron ores and related materials in a falling stream or stopped-belt sampling and preparing the gross sample to the various test samples required for each characteristic to be measured. Included as Annexes are ( 1 ) design criteria to prevent bias, ( 2 ) statistical methods to determine quality variation and precisions of sampling and division, and ( 3 ) a method for comparing two sampling procedures for possible systematic differences.

1.2 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. Specific precautionary statements are given in Section 8.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Practice Significance and Use
2	Apparatus Design of Sampling Operations TABLE 1
3	Sampling and Preparation Procedure (See for examples)
4	FIG. 1 FIG. 2
5	Test Samples FIG. 3
6	Keywords A1. MECHANICAL SAMPLERS A1.1 Design Criteria
7	A1.2 Capability of Sampler A1.3 Design Factors A1.4 Bias Check A2. METHOD TO OBTAIN STOPPED BELT PRIMARY INCREMENTS A2.1 Apparatus for Belt Sampling A2.2 Safety A2.3 Bias Prevention
8	A3. EXPERIMENTAL METHOD TO EVALUATE QUALITY VARIATION (w), OVERALL PRECISION (SDM), PRECISION OF DIVISION AND MEASUREMENT (DM), PRECISION OF DIVISION (D), AND PRECISION OF MEASUREMENT (M) OF AN ORE TYPE A3.1 Plan of Experiment A3.2 Computation of Results
9	A4. METHOD FOR CHECKING SYSTEMATIC DIFFERENCE BETWEEN TWO SAMPLING PROCEDURES A4.1 General Conditions A4.2 Experimental Methods A4.3 Analysis of Experimental Data TABLE A4.1

Additional information

Standard Title	E877-08 Standard Practice for Sampling and Sample Preparation of Iron Ores and Related Materials for Determination of Chemical Composition
Published Code	ASTM
Publication Date	2008
Pages Count	9
ICS Codes	73.060.10 - Iron ores

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ASTM-E877 2008

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