Zobrazeno 1 - 10
of 42
pro vyhledávání: '"R. Dumarey"'
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 94:351-357
A comparative study is reported on different wet-digestion mixtures and reaction vessels for the reduction-aeration/amalgamation/CVAAS determination of mercury in coal samples. A 100% recovery is obtained when performing the digestion in HNO3/HCIO4/(
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e704f1b58096053514293196a5ca7307
https://doi.org/10.1002/bscb.19850940507
https://doi.org/10.1002/bscb.19850940507
Publikováno v:
Analytica Chimica Acta. 107:159-167
A simple but very selective cold-vapour atomic absorption system is described for the determination of volatile mercury compounds at very low levels in ambient air. Three different absorbers are compared: activated charcoal, silver-coated sea sand an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57578635d19bdaec63e450ad2d482ecb
https://doi.org/10.1016/s0003-2670(01)93206-4
https://doi.org/10.1016/s0003-2670(01)93206-4
Autor:
Richard Dams, R. Dumarey
Publikováno v:
Mikrochimica Acta. 84:191-198
A CVAAS method is reported for the determination of mercury in solid environmental materials by pyrolysis and a two-stage amalgamation on gold. Interferences by pyrolysis products are eliminated by a purification section containing a catalytic conver
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfebe333a5b3e261667730914fa7aaba
https://doi.org/10.1007/bf01212384
https://doi.org/10.1007/bf01212384
Publikováno v:
Analytica Chimica Acta. 116:111-117
A simple and rapid cold-vapour atomic absorption system is described for the simultaneous determination of low ambient levels of particulate mercury and volatile mercury compounds. Of the different filters checked for particle collection, quartz fibr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aef1cddff9ed0399a9623d9b35161436
https://doi.org/10.1016/s0003-2670(01)84320-8
https://doi.org/10.1016/s0003-2670(01)84320-8
Publikováno v:
Analytical Letters. 18:203-216
A reduction-aeration method is optimized for the analysis of mercury at the ng.I−1-level in drinking-water. The parameters investigated are: the aeration time, the flow rate of the aeration-gas, the type of gas distributor, the amount of reductant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::111eb8f4bda60b35ab4a026d8ef537d0
https://doi.org/10.1080/00032718508068763
https://doi.org/10.1080/00032718508068763
Publikováno v:
Analytica Chimica Acta. 170:337-340
A vapour-injection method is described for the calibration of mercury determinations. Its accuracy depends mainly on the temperature of the mercury-saturated air, which must be lower than the ambient temperature. By preconditioning the syringe, initi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b8b62a0202f850950c24b209e2daa8f
https://doi.org/10.1016/s0003-2670(00)81759-6
https://doi.org/10.1016/s0003-2670(00)81759-6
Publikováno v:
Analytica Chimica Acta. 161:365-368
Antimony-124 is used as tracer in the development of a procedure for the wet digestion of atmospheric particulates collected on cellulose filters. The samples are decomposed with sulphuric acid and hydrogen peroxide, followed by hydrofluoric acid to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9376eb30ec1494e63f023bac094eda59
https://doi.org/10.1016/s0003-2670(00)85808-0
https://doi.org/10.1016/s0003-2670(00)85808-0
Autor:
Richard Dams, R. Dumarey
Publikováno v:
Environmental Technology Letters. 6:149-152
The influence of the separate collection of used mercury‐batteries on the emission of mercury during municipal waste combustion is reported. An emission reduction of 36% is encountered as compared to measurements performed before the start of the s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac7237202fa42615d140b01aef96e889
https://doi.org/10.1080/09593338509384331
https://doi.org/10.1080/09593338509384331
Publikováno v:
Environmental Science & Technology. 15:206-209
A cold-vapor atomic absorption system is described for the determination of volatile mercury in the stack gases of a municipal solid-waste incinerator. The gases are washed in a K/sub 2/CR/sub 2/O/sub 7//HNO/sub 3/ solution. By oxidation of the mercu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59f238df3ad07d37e0799298f7fa9ad4
https://doi.org/10.1021/es00084a006
https://doi.org/10.1021/es00084a006
Autor:
Richard Dams, R. Dumarey
Publikováno v:
Environmental Pollution Series B, Chemical and Physical. 10:277-285
A simple amalgamation/CVAAS technique is applied to investigate the influence of various meteorological parameters on the atmospheric distribution of mercury. For the volatile and particulate fractions, a clear relationship is encountered, respective
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8857199fb32770b1fc6c58e0df3cbf3f
https://doi.org/10.1016/0143-148x(85)90020-5
https://doi.org/10.1016/0143-148x(85)90020-5