SIST ISO 8530:1998 PDF

Name: SIST ISO 8530:1998 — Manganese and chromium ores -- Experimental methods for checking the precision of sample division
SKU: SIST ISO 8530:1998
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Manganese and chromium ores -- Experimental methods for checking the precision of sample division

Название (английский):

SIST ISO 8530:1998

Manganese and chromium ores -- Experimental methods for checking the precision of sample division

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 5
Дата публикации:: 1 февраля 1998 г.
ICS:: 73.060.20
Технический комитет:: IRUD - Mining

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Описание (английский):

The checking applies to manganese and chromium ores, whether natural or processed, being carried out in accordance with the methods specified in the relevant International Standards. Includes general conditions for division of experimental samples and experimental methods of division a) in three or more stages or b) in one or two stages.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты SIST

Overview

SIST ISO 8530:1998 specifies experimental methods for checking the precision of sample division of manganese and chromium ores. The standard covers both natural and processed ores and ensures that sample division procedures comply with relevant International Standards. The standard is essential for verifying the accuracy and reliability of sampling processes used in chemical analyses of manganese and chromium ores, specifically focusing on manganese content (% Mn) and chromium oxide content (% Cr₂O₃).

The document provides methodologies for conducting precision checks through sample division carried out either in three or more stages or in one to two stages, depending on the ore type and processing methods. This ensures consistent and statistically valid results which support quality audit, statistical quality control, and reliable sampling practices in the mineral processing industry.

Key Topics

Scope and Application: Applies to manganese and chromium ores, both natural and processed, following methods in other relevant ISO standards.

Sample Division Methods:

Multi-stage division (three or more stages), typically for coarser ores.
One or two-stage division, suitable for coarse to fine ores.

Precision Checking:

Use of duplicate final samples with randomized chemical determinations.
Statistical analysis based on standard deviations and range calculations.

General Conditions:

Adherence to ISO sampling procedures (such as ISO 4296-2 for manganese ores).
Consideration of factors affecting precision, including particle size, number of division stages, and equipment quality.

Data Analysis and Evaluation:

Calculation of precision of measurement and division using established statistical formulas.
Methods to identify and rectify issues when precision falls below the specified limits.

Experimental Design:

Minimum of 10 repeated experiments per ore type.
Detailed record-keeping with data sheets for reproducibility and traceability.

Applications

SIST ISO 8530:1998 is critical for industries and laboratories involved in the analysis of manganese and chromium ores, supporting:

Quality Assurance in Mining: Ensuring representative and precise sample preparation reduces variability in laboratory testing and contributes to reliable quality control.

Chemical Analysis Reliability: Enhances confidence in assay results, influencing decisions on ore valuation, processing, and trading.

Statistical Quality Control: Facilitates the application of statistical methods for evaluating sample handling and analytical procedures.

Standardized Methods for Ores: Promotes consistency in global mining and mineral processing operations by standardizing sample division techniques.

Research and Development: Provides a methodological basis for experimental work involving ore sampling and analysis precision.

Related Standards

ISO 4296-2: Manganese ores - Sampling - Part 2: Preparation of samples. This standard complements ISO 8530 by defining sampling protocols prior to precision checking.

Other ISO standards related to chemical analysis and quality control in minerals and ores, which collectively guide reliable testing and evaluation methods.

International standards on statistical methods for quality control and sampling to ensure robust experimental design and data analysis across mineral testing protocols.

By adhering to SIST ISO 8530:1998, organizations can ensure that their sample division processes for manganese and chromium ores meet international benchmarks for precision and reliability, thereby improving overall quality control and confidence in assay results. This contributes to optimized operational workflows, higher accuracy in ore valuation, and global standardization in mineral analysis.

SIST ISO 8530:1998 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Технические детали

SIST ISO 4296-2:1998

Manganese ores -- Sampling -- Part 2: Preparation of samples

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