LINURON ADSORPTION AND THE DEGREE OF DECOMPOSITION OF PEATS AS MEASURED BY RUBBED FIBRE CONTENT AND PYROPHOSPHATE INDEX

1976 ◽  
Vol 56 (2) ◽  
pp. 105-109 ◽  
Author(s):  
H. MORITA
Keyword(s):  
Adsorption Isotherms ◽  
Fibre Content ◽  
Extraction Technique ◽  
Adsorption Coefficient ◽  
Column Extraction

Determination of the Freundlich adsorption isotherms for linuron with some peats showed that the adsorption coefficient, K, is closely related to the degree of decomposition as measured by the rubbed fibre content and the pyrophosphate index. The K values indicate that adsorption increases with decomposition. The analyses required for the determination of K were facilitated by the use of a column extraction technique.

Determination of Hg(II) in drinking water by atomic absorption spectrometry - Cold vapour method after concentration by column extraction chromatography

1984 ◽  
Vol 49 (5) ◽  
pp. 1134-1139 ◽  
Author(s):  
Zdeněk Šmejkal ◽  
Jitka Tauferová ◽  
Mária Madová ◽  
Zlatica Teplá
Keyword(s):  
Drinking Water ◽  
Atomic Absorption Spectrometry ◽  
Atomic Absorption ◽  
Extraction Chromatography ◽  
Absorption Spectrometry ◽  
Average Yield ◽  
Water Mains ◽  
Cold Vapour ◽  
Column Extraction

The method describes concentration of mercury in samples of drinking water from water mains with Hg concentration above 1.0 . 10-7 g l-1 (5.0 . 10-10mol l-1) by means of extraction chromatography on a column packed with a carrier Synachrom E-5 wetted with saturated solution of bis(diethyldithiocarbamate)copper(II) complex in 1 : 1 mixture 1,2-dichlorobenzene + cyclohexane. After elution with 3.0 mol l-1 HCl the mercury concentration in the eluate is determined by atomic absorption spectrometry - cold vapour method. Average yield of the mercury separation from the model solutions was 95.8%.

Determination of the degree of adsorption and the heat of adsorption for 1-butylamine and ammonia on NaHY zeolites

1984 ◽  
Vol 49 (12) ◽  
pp. 2739-2743 ◽  
Author(s):  
Miloslav Křivánek ◽  
Pavel Jírů
Keyword(s):  
Lewis Acid ◽  
Adsorption Isotherms ◽  
Heat Of Adsorption ◽  
Brønsted And Lewis Acid

The degree and heat of adsorption of 1-butylamine and ammonia were measured on samples of NaHY zeolites activated at 400-600°C. The adsorption isotherms and calorimetric curves were compared for the two bases, and the amount of Bronsted and Lewis acid centres was determined from the calorimetric curves.

scholarly journals Development of Solid Phase Micro Extraction Technique for Determination of Triazines in Water Samples Using Experimental Design

2016 ◽  
Vol 28 (3) ◽  
pp. 562-566 ◽  
Author(s):  
Md Pauzi Abdullah ◽  
Kamarruddin Asri ◽  
Mohamad Salleh Ramli ◽  
Maimunah Sulaiman Wahid ◽  
Wan Mohd Afiq Wan Mohd Khalik
Keyword(s):  
Experimental Design ◽  
Water Samples ◽  
Solid Phase ◽  
Extraction Technique ◽  
Solid Phase Micro Extraction

scholarly journals HPLC-MS-MS Determination of ZCZ-011, A Novel Pharmacological Tool for Investigation of the Cannabinoid Receptor in Mouse Brain Using Clean Screen FASt  Column Extraction

2015 ◽  
Vol 39 (5) ◽  
pp. 353-358 ◽  
Author(s):  
J. L. Poklis ◽  
D. J. Clay ◽  
B. M. Ignatowska-Jankowska ◽  
C. Zanato ◽  
R. A. Ross ◽  
...  
Keyword(s):  
Mouse Brain ◽  
Cannabinoid Receptor ◽  
Column Extraction
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