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Featured researches published by Gerhard Wieland.


Fresenius Journal of Analytical Chemistry | 1989

Greater analytical accuracy through gravimetric determination of quantity

Wolfgang Gernand; Klaus Steckenreuter; Gerhard Wieland

SummaryScatter in analytical results caused by production tolerances in the volumetric measuring apparatus (pipettes, burettes, volumetric flasks), can be eliminated by weighing in the sample and standard solutions. For the techniques described, only conventional instruments and balances available in any analytical laboratory are required. In this way it is possible to improve the precision of the analytical result by a factor of 10.


Archive | 1998

Use of monolithic sorbents for preparative chromatographic separation

Karin Cabrera; Dieter Lubda; Michael Schulte; Andreas Meudt; Olivier Ludemann-Hombourger; Gerhard Wieland; Kristina Czerny; Axel Delp; Edith Dicks; Alexander Kraus


Archive | 1989

Ampuls and apparatus thereon for opening same

Gerhard Wieland; Klaus Steckenreuter; Wolfgang Gernand; Helmut Simgen


Archive | 1998

Holding device for monolithic sorbents

Dieter Lubda; Gerhard Wieland; Karin Cabrera; Hans-Dieter Harders; Edith Dicks; Günther Sättler; Willi Neuroth; Dieter Heuser


Archive | 1990

KARL-FISCHER REAGENT, KIT, AND A PROCESS FOR THE DETERMINATION OF WATER WITH THE AID OF THIS REAGENT

Wolfgang Fischer; Gerhard Wieland; Karl-Dieter Krenn


Archive | 1997

Use of non-particulate sorbents for simulated moving bed separating methods

Egbert Müller; Michael Schulte; Gerhard Wieland; Karin Cabrera; Axel Delp; Dieter Lubda


Archive | 1990

Karl-Fischer-Reagenz und Verfahren zur Bestimmung von Wasser mit Hilfe dieses Reagenzes

Wolfgang Fischer; Gerhard Wieland; Karl-Dieter Krenn


Archive | 1983

Karl-Fischer-reagent and method for the determination of water using this reagent

Wolfgang Fischer; Gerhard Wieland; Karl-Dieter Krenn


Archive | 1997

Chiral sorbent for rapid enantiomer separation

Dieter Lubda; Karin Cabrera; Kristina Czerny; Gerhard Wieland; Edith Dicks


Archive | 1989

Aid for opening ampoules.

Gerhard Wieland; Klaus Steckenreuter; Wolfgang Gernand; Helmut Simgen

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