Sampling in a precious metals refining plant—A practical approach for a complex problem

TOS forum Issue 11 (2022)

Comminution sizes in sampling calculations

TOS forum Issue 11 (2022)

The state of organized sampling work for minerals in China since WCSB9

TOS forum Issue 11 (2022)

Multivariate methods for improved geometallurgy sampling

TOS forum Issue 11 (2022)

Liberation factor for ‘closely sieved’ material

TOS forum Issue 11 (2022)

Process analytical technologies for precise, timely and representative elemental and moisture measurement for conveyed flows

TOS forum Issue 11 (2022)

Sampling for resource evaluation and grade control in an underground gold operation: a case of compromise

TOS forum Issue 11 (2022)

Fake data? The need for Theory of Sampling concepts in environmental research and investigations

TOS forum Issue 11 (2022)

Choosing metallurgical samplers or static cutters for process control in slurry: when or why to avoid the increment delimitation error

TOS forum Issue 11 (2022)

Monitoring the lot mean and uncertainty estimates by piecewise local modelling

TOS forum Issue 11 (2022)

Challenges of sampling grain for mycotoxin analysis

TOS forum Issue 11 (2022)

The ongoing challenge of representative sampling of bulk mineral commodities

TOS forum Issue 11 (2022)

The evolution of the mechanically agitated hopper in Anglo American Platinum

TOS forum Issue 11 (2022)

Moisture determination. Mass loss on drying – commercial sampling washed away

TOS forum Issue 11 (2022)

Mobile dust sampling device for dust filter generation at a Ni refinery

TOS forum Issue 11 (2022)

Proactive rolling bias test applied on sample stations

TOS forum Issue 11 (2022)

Differentiating analytical error from sampling errors in PAT methods through variographic analysis

TOS forum Issue 11 (2022)

Estimation of uncertainty for measuring metals content in waste printed circuit boards

TOS forum Issue 11 (2022)

Calibration of K and alpha (α) for bulk commodities

TOS forum Issue 11 (2022)

Online elemental analysis for process control in the mineral processing industry

TOS forum Issue 11 (2022)

Understanding sampling variation – a vital aspect of industrial research experiments

TOS forum Issue 11 (2022)

The sampling interface—A critical Theory of Sampling success factor in process sampling and PAT

TOS forum Issue 11 (2022)

Representative sampling for condition monitoring of in-service wind turbine bearings: challenges and solutions over 10 years

TOS forum Issue 11 (2022)

Framing TOS in risk assessment: an outreach perspective for the future

TOS forum Issue 11 (2022)

Estimating the heterogeneity invariant using size-density classes – the case of contaminated soil and complex materials

TOS forum Issue 11 (2022)

The process of production certified reference materials for silicon industry

TOS forum Issue 11 (2022)

The extended Gy’s formula

TOS forum Issue 11 (2022)

ISO 8685 compliant contractual ship-loading export facility: bauxite sampling plant process design and equipment selection for chemical sampling

TOS forum Issue 11 (2022)

COVID-19: lessons for developing and commissioning new mining technologies

TOS forum Issue 11 (2022)

DS3077—Horizontal Standard revision after 10 years and induction as an ISO Standard

TOS forum Issue 11 (2022)

Theory and Practice of Particulate Sampling: an Engineering Approach

TOS forum Issue 10 (2020)

Representative sampling in biomass studies—not so fast!

TOS forum Issue 9 (2019)

WHAT is wrong with this sampler?

TOS forum Issue 8 (2018)

The Pierre Gy Oration

TOS forum Issue 8 (2018)

The costs of sampling errors and bias to the mining industry

TOS forum Issue 8 (2018)

Pierre Gy’s development of the Theory of Sampling: a retrospective summary with a didactic tutorial on quantitative sampling of one-dimensional lots

TOS forum Issue 7 (2017)

Improvement practices in process industry—the link between process control, variography and measurement system analysis

TOS forum Issue 7 (2017)

Reprint: 50 years of Pierre Gy’s “Theory of Sampling”—WCSB1: a tribute

TOS forum Issue 6 (2016)

Reprint: Part IV: 50 years of sampling theory—a personal history

TOS forum Issue 6 (2016)

Reprint: Sampling of discrete materials—a new introduction to the theory of sampling I. Qualitative approach

TOS forum Issue 6 (2016)

Reprint: Sampling of discrete materials II. Quantitative approach—sampling of zero-dimensional objects

TOS forum Issue 6 (2016)

Reprint: Sampling of discrete materials III. Quantitative approach—sampling of one-dimensional objects

TOS forum Issue 6 (2016)

Reprint: Part V: Annotated literature compilation of Pierre Gy

TOS forum Issue 6 (2016)

Evaluation of sampling error sources in a multiple cuttermetallurgical sampler

TOS forum Issue 5 (2015)

Representative sampling for a full-scale incineration plant test—how to succeed with TOS facing unavoidable logistical and practical constraints

TOS forum Issue 5 (2015)

Complete sampling distribution for primary sampling, sample preparation and analysis

TOS forum Issue 5 (2015)

The advantages and pitfalls of conventional heterogeneity tests and a suggested alternative

TOS forum Issue 5 (2015)

Building confidence intervals around the obtained value of a sample

TOS forum Issue 5 (2015)

Pre-crusher stockpile modelling to minimise grade variability

TOS forum Issue 5 (2015)

PFTNA logging tools and their contributions to in-situ elemental analysis of mineral boreholes

TOS forum Issue 5 (2015)

A European standard for sampling of waste material: EN 14899

TOS forum Issue 5 (2015)

Design advances and operational studies for the True Pipe® sampler: A symmetry based unit for reliable sampling of pressurised particulate streams

TOS forum Issue 5 (2015)

Good sampling is good business: reconciling economic drivers of productivity and quality using fundamentals of sampling theory

TOS forum Issue 5 (2015)

Comparison of sampling methods by using size distribution analysis

TOS forum Issue 5 (2015)

Placer gold sampling—The overall measurement error using gravity concentration on particle size ranges during sample treatment

TOS forum Issue 5 (2015)

Estimating total sampling error for near infrared spectroscopic analysis of pharmaceutical blends—theory of sampling to the rescue

TOS forum Issue 5 (2015)

Proper sampling for archeometric discrimination of Bronze-age fields on Bornholm, Denmark – Archaeology meets TOS meets Chemometrics

TOS forum Issue 5 (2015)

Proper sampling, total measurement uncertainty, variographic analysis & fit-for-purpose acceptance levels for pharmaceutical mixing monitoring

TOS forum Issue 5 (2015)

Counteracting soil heterogeneity sampling for environmental studies (pesticide residues, contaminant transformation) – TOS is critical

TOS forum Issue 5 (2015)

Practical use of variographics to identify losses and evaluate investment profitability in industrial processes

TOS forum Issue 5 (2015)

The crucial role of proper sampling in food and feed safety assessment

TOS forum Issue 5 (2015)

The role of inference in food safety

TOS forum Issue 5 (2015)

Introduction and first ever rigorous derivation of the liberation factor

TOS forum Issue 5 (2015)

TOS: Progress through continuity and community

TOS forum Issue 4 (2015)

Future challenges and research: theory of sampling (TOS)

TOS forum Issue 3 (2014)

Illusory reconciliation: compensation of manual sampling errors

TOS forum Issue 3 (2014)

Sampling 2014—an industry perspective

TOS forum Issue 3 (2014)

What is wrong with this sampler?

TOS forum Issue 3 (2014)

Agreement analysis—testing the boundaries between producers and consumers

TOS forum Issue 2 (2014)

Representative sampling in biomass studies—not so fast!

TOS forum Issue 1 (2013)

Sampling conferences in South Africa

TOS forum Issue 1 (2013)