Extreme trace analysis of the elements—IMethods and problems of sample treatment, separation and enrichment

Tölg, G.

doi:10.1016/0039-9140(72)80225-x

Cited by 121 publications

(11 citation statements)

References 149 publications

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“…The method used by us has the advantage of low losses [4,6,7,23]. With elements in very low concentrations there is a risk of contamination [29,43]. Singje determinations of the metals in the reference material demonstrate that the entire analytic sequence has a large scatter.…”

Section: Methodsmentioning

confidence: 99%

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The trace elements chromium, manganese, copper and zinc in fetal liver tissue

Seeling¹,

Fw²,

Dick³

et al. 1977

Journal of Perinatal Medicine

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Section: Methodsmentioning

confidence: 99%

“…This is evident from the blank values. Methodical and statistieal errors may yield a measurement even if the element in question is not even present in the material [41,43]. For the chromium determination the blank values were log-normally distributed.…”

Section: Methodsmentioning

confidence: 99%

The trace elements chromium, manganese, copper and zinc in fetal liver tissue

Seeling¹,

Fw²,

Dick³

et al. 1977

Journal of Perinatal Medicine

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“…In addition, a study by Benes et al demonstrated that the extent of sorption losses varies from ion to ion (16). Several groups recommend the use of acid washed vessels, nonsorbing materials, and the fewest possible sample manipulations to minimize losses and contaminations in trace metal ion analyses (17)(18)(19).…”

Section: Acknowledgmentmentioning

confidence: 99%

Trace metal ion filtration at pH 5 and 7

Truitt¹,

Weber²

1979

Anal. Chem.

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“…We have used 3san,, as an estimate of the detection limit (Strickland and Parsons 1965;Tolg 1972). We have used 3san,, as an estimate of the detection limit (Strickland and Parsons 1965;Tolg 1972).…”

Section: Analytical Error-precision and Detectionmentioning

confidence: 99%

Trace Metals in the Waters of the Gulf of St. Lawrence

Bewers¹,

Macaulay²,

Sundby³

1974

Can. J. Earth Sci.

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Concentrations of the trnce elements iron. cobalt. nickel. copper, zinc, cadmium, and lead were measured in samples collected from the waters of the Gulf of Sr. Lawrence. Cobalt, cztdmii~m, and lead occurred at or beIow rhe delection limits of the analytical method. The mean concentrations of nickel, copper, and zinc were 0.4 rgl-'. 0.6 figl-' and 1.8 rgl-l respectively, and there was no evidence that local conditions influence their distrihution. The distribution of dissolved and colloid:tl iron is related to dilution and precipitation processes which occur as fresh and saline waters are mixed. The particulate iron distribution is largely governed by water circulation patterns and settling. Les concentrations des 616ments en trace, fer, cobalt, nickel, cuivre, zinc, cadmium, et plomb, dans des Cchantillons recueillis dans les eaux du Golfe du Saint-Laurent ont ttC mesurks. Le cobalt, le cadmium, et le plomb se trouvent prks ou en dessous des limites de detection des mkthodes analytiques. Les concentrations moyennes du nickel, cuivre, et zinc sont 0.4 pgl-', 0.6 figl-' et 1.8 figl-' respectivement, et il n'y a pas d'kvidence que les conditions locales influencent leurs distributions. La distribution du fer dissous et colloide est like aux prockdks de dilution et de prkcipitation qui prennant place lors du mklange des eaux douces et salines. La distribution du fer particulaire est largement fonction de la circulation et de la sedimentation.[Traduit par le journal]

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Extreme trace analysis of the elements—IMethods and problems of sample treatment, separation and enrichment

Cited by 121 publications

References 149 publications

The trace elements chromium, manganese, copper and zinc in fetal liver tissue

The trace elements chromium, manganese, copper and zinc in fetal liver tissue

Trace metal ion filtration at pH 5 and 7

Trace Metals in the Waters of the Gulf of St. Lawrence

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