About: Semimicro Determination of COD Employing Microwave Digestion

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A modified semimicro method is described for determining chemical oxygen demand (COD) employing microwave (MW) digestion (0.5 min exposure at 1,000 W power, and 10 min exposure at 250 W power) with a titration assessment. Composition of reaction mixture was the same as that of the usual reflux method. Determfination was performed in glass vessels of original tetrafluoromethoxil containers. Under given conditions dichromate autoreduction was low. A good agreement with the usual reflux method was obtainedwith selected substances (potassium hydrogen phthalate, glutamic acid, glucose, dodecyl sulphate, where COD-MW/ThOD is 98.9 - 101.5 %). With real samples (municipal sewage, mixed tanning and chemical wastewaters, and treated wastewater from biological t reatment plants) the obtained results were also satisfactory (88.0 - 111.9 %) A modified semimicro method is described for determining chemical oxygen demand (COD) employing microwave (MW) digestion (0.5 min exposure at 1,000 W power, and 10 min exposure at 250 W power) with a titration assessment. Composition of reaction mixture was the same as that of the usual reflux method. Determfination was performed in glass vessels of original tetrafluoromethoxil containers. Under given conditions dichromate autoreduction was low. A good agreement with the usual reflux method was obtainedwith selected substances (potassium hydrogen phthalate, glutamic acid, glucose, dodecyl sulphate, where COD-MW/ThOD is 98.9 - 101.5 %). With real samples (municipal sewage, mixed tanning and chemical wastewaters, and treated wastewater from biological t reatment plants) the obtained results were also satisfactory (88.0 - 111.9 %) (en)
Title	Semimicro Determination of COD Employing Microwave Digestion Semimicro Determination of COD Employing Microwave Digestion (en)
skos:prefLabel	Semimicro Determination of COD Employing Microwave Digestion Semimicro Determination of COD Employing Microwave Digestion (en)
skos:notation	RIV/70883521:28110/03:63501396!RIV/2004/MSM/281104/N
http://linked.open.../vavai/riv/strany	617-626
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 281100002)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Houser, Josef
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Tomáše Bati ve Zlíně / Fakulta technologická
http://linked.open...dnocenehoVysledku	626685
http://linked.open...ai/riv/idVysledku	RIV/70883521:28110/03:63501396
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	chemical oxygen demand, COD, microwave digestion, MW, COD-MW, Cr, Hg, Ag (en)
http://linked.open.../riv/klicoveSlovo	Ag microwave digestion Hg Cr MW COD chemical oxygen demand COD-MW
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[C9AD76933C55]
http://linked.open...i/riv/nazevZdroje	Environmental Engineering Science
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	20
http://linked.open...iv/tvurceVysledku	Houser, Josef
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20281100002
issn	1092-8758
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	28110

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