09/30203214 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BS ISO 11790 - COPPER, LEAD, ZINC AND NICKEL CONCENTRATES - GUIDELINES FOR THE INSPECTION OF MECHANICAL SAMPLING SYSTEMS
Hardcopy , PDF
30-09-2010
English
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 General consideration
4.1 Precision
4.2 Quality variation
4.3 Bias
4.4 Operation of the sampling system
5 Establishment of inspection system
5.1 General
5.2 Audits
5.3 Mechanical inspections
5.4 Operational inspections
6 Procedures
6.1 Audits
6.2 Mechanical inspections
6.3 Operational inspections
6.4 Control charts
6.4.1 General
6.4.2 Sampling ratio
6.4.3 Extraction ratio
6.5 Sampling records
6.6 Operators inspection report
Annex A (informative) - Example of a sampling checklist
for copper ore
Annex B (informative) - Example of sampling plant operator's
inspection report on a shift basis
Annex C (informative) - Example of sampling plant operations
inspection summary
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