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

TOS forum Issue 11 (2022)

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

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)

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)

Challenges in quality assurance and quality control systems development

TOS forum Issue 11 (2022)

Process optimization by real time analysis of liquids’ composition in metal & mining

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)

The ongoing challenge of representative sampling of bulk mineral commodities

TOS forum Issue 11 (2022)

Experimental determination of the constitutional heterogeneity for sampling of waste printed circuit boards

TOS forum Issue 11 (2022)

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

TOS forum Issue 11 (2022)

Implementing proactive quality assurance quality control (QAQC) and quality management (QM) practices at coal testing laboratories

TOS forum Issue 11 (2022)

Sampling for industry 4.0 – sensor signal acquisition inspired by the Theory of Sampling (TOS)

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)

Proactive rolling bias test applied on sample stations

TOS forum Issue 11 (2022)

Theory of Sampling and QAQC enabling the application and expectations of new technology and data processing

TOS forum Issue 11 (2022)

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

TOS forum Issue 11 (2022)

Economic benefits of improving precision

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)

A comparison between conventional blast hole sampling and diamond core drilling for copper grade at the Antapaccay mine

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 and phase characterisation of black mass

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)

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)

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

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 process of production certified reference materials for silicon industry

TOS forum Issue 11 (2022)

The extended Gy’s formula

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)

Sample preparation according to Ian Devereux: an unofficial guide

TOS forum Issue 11 (2022)

Origin of the World Conferences on Sampling and Blending (WCSB)

TOS forum Issue 10 (2020)

The legacy of Charles Oliver Ingamells (1916–1994)

TOS forum Issue 10 (2020)

Material intrinsic heterogeneity: statistical derivation

TOS forum Issue 10 (2020)

High-resolution PAT monitoring of sample preparation grinding by accelerometer sensors: the key to ensuring accuracy and long-term consistency

TOS forum Issue 10 (2020)

Principles of gas sampling: TOS with critical challenges

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)

Theory of Sampling (TOS) applied to characterisation of Municipal Solid Waste (MSW)—a case study from France

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)

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)

Theory of Sampling and Geostatistics: a technical tribute to two geniuses

TOS forum Issue 6 (2016)

Pierre Gy Tribute

TOS forum Issue 6 (2016)

Evaluation of sampling error sources in a multiple cuttermetallurgical sampler

TOS forum Issue 5 (2015)

Innovative sampling solutions for the mining industry

TOS forum Issue 5 (2015)

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)

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)

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

TOS forum Issue 5 (2015)

Estimating granite roughness using systematic random sampling for the evaluation of radon gas emanation from ornamental granite rocks

TOS forum Issue 5 (2015)

Sampling for mycotoxins in feed— heterogeneity characterization

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)

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)

Sampling of cereals: assessment of alternative protocols for mycotoxin analysis

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)

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)

Distributional assumptions in food and feed commodities: how to develop fit-for-purpose sampling protocols?

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)

Introduction and first ever rigorous derivation of the liberation factor

TOS forum Issue 5 (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)

A review of sampling and monitoring protocols related to radioactive elements in fractured rock aquifers

TOS forum Issue 3 (2014)

What is wrong with this sampler?

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)

Agreement analysis—testing the boundaries between producers and consumers

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)

Representative sampling in biomass studies—not so fast!

TOS forum Issue 1 (2013)

Sampling conferences in South Africa

TOS forum Issue 1 (2013)

The Biota Guard marine oil leak monitoring system—novel sampling application of bivalve PAT biosensors

TOS forum Issue 1 (2013)

Letters: Sampling errors undermine valid genetically modified organism (GMO) analysis

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)