TOS forum Issue 5 (2015)

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Editorial

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  • Kim H. Esbensen

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

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  • Francis Pitard

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

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  • O. Dominguez
  • K. Smith

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

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  • K. H. Esbensen
  • R. J. Romañach

The decision unit—a lot with objectives

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  • Charles A. Ramsay

Pre-crusher stockpile modelling to minimise grade variability

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  • J. E. Everett
  • T. J. Howard
  • K. F. Jupp

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

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  • Stéphane Brochot
  • François Mounié

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

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  • C. C. Paoletti
  • K. H. Esbensen
  • H. A. Kuiper

Sampling for mycotoxins in feed— heterogeneity characterization

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  • Claus Wagner

Sampling of cereals: assessment of alternative protocols for mycotoxin analysis

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  • Brigitte Mahaut
  • Guislaine Veron Delor

The role of inference in food safety

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  • Charles A. Ramsay

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

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  • A. Sánchez-Paternina
  • A. Román-Ospino
  • C. Ortega-Zuñiga
  • B. Alvarado
  • Kim H. Esbensen
  • R. J. Romañach

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

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  • A. Roman-Ospino
  • C. Ortega-Zuñiga
  • A. Sanchez-Paternina
  • S. Ortiz
  • K. Esbensen
  • R. J. Romañach

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

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  • Hilde S. Tellesbø
  • Helle Fossheim
  • Kim H. Esbensen

The overall measurement error—TOS and uncertainty budget in metal accounting

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  • Stéphane Brochot

Complete sampling distribution for primary sampling, sample preparation and analysis

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  • Geoffrey Lyman

Getting high added-value from sampling

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  • F. S. Bourgeois
  • G. J. Lyman

Building confidence intervals around the obtained value of a sample

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  • Dominique M. Francois-Bongarcon

Validation of reverse circulation drilling rig for reconciliation purposes

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  • A.C. Chieregati
  • T.M. El Hajj
  • C.F. Imoto
  • L.E.C. Pignatari

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

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  • Geoffrey Lyman
  • James Asbury

Sample station design and operation

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  • Ralph Holmes

Review of a non-probabilistic sampler versus a Vezin sampler on low weight percent solids slurries

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  • Stephen E. Kelly
  • Francis F. Pitard

Evaluation of sampling error sources in a multiple cuttermetallurgical sampler

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  • J. Loimi
  • P. Minkkinen
  • C. von Alfthan
  • J. Lohilahti
  • T. Korpela

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

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  • C.S Adams
  • K Potts
  • T Niedel

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

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  • A Fouchee
  • R.C. Steinhaus

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

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  • C.P. Smith
  • P. Jeaneau
  • R.A.M. Maddever
  • S.J. Fraser
  • A. Rojc
  • M.K. Lofgren
  • V. Flahaut

Introduction and first ever rigorous derivation of the liberation factor

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  • Dominique M. Francois-Bongarcon

A multivariate approach for process variograms

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  • Q. Dehaine
  • L. Filippov

Comparison of sampling methods by using size distribution analysis

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  • P. Minkkinen
  • I. Auranen
  • L. Ruotsalainen
  • J. Auranen

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

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  • Serge Antoine Séguret

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

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  • T M. El Hajj
  • I. Tertuliano
  • T. Vieira
  • A. C. Chieregati
  • H. Delboni

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

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  • Bastian Germundsson
  • Anders Pihl
  • Kim H. Esbensen

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

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  • Z. Kardanpour
  • O. S. Jacobsen
  • K. H. Esbensen

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

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  • C. Paoletti
  • K. H. Esbensen

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

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  • Peter Bøgh Pedersen
  • Jan Hinnerskov Jensen

Representative sampling for food and feed materials: a critical need for food/feed safety

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  • N. Thiex
  • C. Paoletti
  • K. Esbensen

A European standard for sampling of waste material: EN 14899

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  • Philippe Wavrer
  • Bernard Morvan
  • Sebastien Louis-Rose

Innovative sampling solutions for the mining industry

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  • Maurice Wicks

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

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  • Dominique François-Bongarçon
  • Francis F. Pitard