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)

Multivariate methods for improved geometallurgy sampling

TOS forum Issue 11 (2022)

Gy’s discrete heterogeneity and the grouping and segregation variance

TOS forum Issue 11 (2022)

Liberation factor for ‘closely sieved’ material

TOS forum Issue 11 (2022)

Extensions to the Theory of Sampling 2. The Sampling Uncertainty (SU), and SU as alternative to variographic analysis

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)

Challenges in quality assurance and quality control systems development

TOS forum Issue 11 (2022)

Case study: improved sampling of iron sludge at Glencore Nikkelverk

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)

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

TOS forum Issue 11 (2022)

Sampling of high-nugget conglomerates from the Western Australian Pilbara: bulk sampling at the Beatons Creek gold project, Nullagine

TOS forum Issue 11 (2022)

Implementation of a QAQC program for in-situ grade control by pulsed fast and thermal neutron activation methods

TOS forum Issue 11 (2022)

Economic benefits of improving precision

TOS forum Issue 11 (2022)

Online elemental analysis for process control in the mineral processing industry

TOS forum Issue 11 (2022)

The sampling and phase characterisation of black mass

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)

ISO 13909 compliant contractual payment station coal sampling plant: process design and equipment selection for chemical, physical and moisture sampling

TOS forum Issue 11 (2022)

Case studies using Visman and Ingamells sampling approaches

TOS forum Issue 11 (2022)

Applications of the sampling uncertainty (SU)

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 “Gandalf” soil sampling project at a former industrial site in Copenhagen, Denmark: evaluating soil classification reliability

TOS forum Issue 11 (2022)

Representative sampling for food and feed materials: a critical need for food/feed safety — Special Edition Section of Journal AOAC International

TOS forum Issue 11 (2022)

X-ray computed tomography (XCT) for characterization of particulate materials heterogeneity: embrace heterogeneity — create value with separation

TOS forum Issue 11 (2022)

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

TOS forum Issue 11 (2022)

Introduction to the Theory and Practice of Sampling

TOS forum Issue 10 (2020)

Theory of Sampling and Sampling Practice, Third Edition

TOS forum Issue 10 (2020)

Theory and Practice of Particulate Sampling: an Engineering Approach

TOS forum Issue 10 (2020)

Material intrinsic heterogeneity: statistical derivation

TOS forum Issue 10 (2020)

The Theory of Vacuoles and Low-energy Nuclear Reactions

TOS forum Issue 10 (2020)

Representative sampling in biomass studies—not so fast!

TOS forum Issue 9 (2019)

Sampling for mycotoxins in feed— heterogeneity characterisation

TOS forum Issue 9 (2019)

Reducing global mercury pollution with simultaneous gold recovery from small-scale mining tailings

TOS forum Issue 9 (2019)

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)

A comprehensive literature review reflecting fifteen years of debate regarding the representativity of reverse circulation vs blast hole drill sampling

TOS forum Issue 7 (2017)

Editorial

TOS forum Issue 6 (2016)

An automatic linear proportional sampler based on the principles of the Theory of Sampling

TOS forum Issue 6 (2016)

Complete sampling distribution for primary sampling, sample preparation and analysis

TOS forum Issue 5 (2015)

Determination of the precision of sampling systems and on-line analysers

TOS forum Issue 5 (2015)

Getting high added-value from sampling

TOS forum Issue 5 (2015)

Geostatistical comparison between blast and drill holes in a porphyry copper deposit

TOS forum Issue 5 (2015)

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

TOS forum Issue 5 (2015)

Application of an integrated control system for continuous monitoring of sampling performance

TOS forum Issue 5 (2015)

Sample station design and operation

TOS forum Issue 5 (2015)

When “homogeneity” is expected—Theory of Sampling in pharmaceutical manufacturing

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)

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

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 overall measurement error—TOS and uncertainty budget in metal accounting

TOS forum Issue 5 (2015)

The decision unit—a lot with objectives

TOS forum Issue 5 (2015)

The role of inference in food safety

TOS forum Issue 5 (2015)

Validation of reverse circulation drilling rig for reconciliation purposes

TOS forum Issue 5 (2015)

Comparison between samples with constant mass and samples with constant fragment population size (and calculations of their sampling variances)

TOS forum Issue 5 (2015)

Sampling in pharmaceutical manufacturing—Many opportunities to improve today’s practice through the Theory of Sampling (TOS)

TOS forum Issue 4 (2015)

Development of a sampling protocol for radioactive elements in fractured rock aquifers using a case study from South Africa

TOS forum Issue 4 (2015)

A young professional’s first encounter with the world sampling community. Report from World Conference on Sampling and Blending WCSB6, 2013, Lima, Peru

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)

Improved Food and Feed Safety through Systematic Planning and the Theory of Sampling (TOS): An Introduction to “GOODSamples”

TOS forum Issue 2 (2014)

Visualisation of sampling error effects in near infrared analysis—comparison between Petri dish, roll bottle and spiral sampler

TOS forum Issue 2 (2014)

The World Conference on Sampling and Blending (WCSB)–achievements and possibilities

TOS forum Issue 1 (2013)

Representative sampling in biomass studies—not so fast!

TOS forum Issue 1 (2013)

DS 3077 Horizontal—a new standard for representative sampling. Design, history and acknowledgements

TOS forum Issue 1 (2013)

PHD Presentations: Non-representative sampling versus data reliability— Improving monitoring reliability of fuel combustion processes in large-scale coal and biomass-fired powerplants

TOS forum Issue 1 (2013)

“Critique of Gy’s Sampling Theory”: Misplaced expectations of Wikipedia’s democratic intentions

TOS forum Issue 1 (2013)