Interlaboratory exercises to compare analytical method performances

Marchetto, Aldo; Mosello, Rosario; Bianchi, Michele; Geiss, H.; Serrini, G.; Lanza, G.; Tartari, Gabriele; Muntau, H.

doi:10.1007/bf01244382

Cited by 10 publications

(2 citation statements)

References 3 publications

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“…4 Chloroform (0.2% v/v) was also used in rainwater material for the purpose of an interlaboratory study. 12 Acidification with nitric acid or hydrochloric acid has also been applied for stabilising trace elements in sea-water and estuarine water. [8][9][10]…”

Section: Preparation and Stabilisationmentioning

confidence: 99%

General considerations on the preparation of water certified reference materials†

Benoliel¹,

Quevauviller²

1998

Analyst

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A high degree of consistency in water measurements and analyses performed within European laboratories is essential for the implementation of European Directives. In order to support Community policies, the Standards, Measurements and Testing Programme (SM&T) of the European Commission encourages and supports technical collaboration between the laboratories of EC MemberStates through the organisation of interlaboratory studies and the production of certified reference materials (CRMs). This paper provides an overview of the requirements to be taken into account in the preparation of water CRMs. Preliminary tests carried out for the production of new groundwater CRMs are presented.

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Section: Preparation and Stabilisationmentioning

confidence: 99%

General considerations on the preparation of water certified reference materials†

Benoliel¹,

Quevauviller²

1998

Analyst

View full text Add to dashboard Cite

show abstract

“…The pH and the conductivity of lake water samples were measured in situ and double checked in the laboratory. All determinations included a control of the measured conductivity with the conductivity calculated from equivalent conductances of all species analyzed (Marchetto et al 1996). The quality criteria are fulfilled if the difference between calculated and measured conductivity is less than 15%.…”

Section: Chemistrymentioning

confidence: 99%