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| Description
| - Potassium dichromate (K2Cr2O7) has already been used as a reference substance in tests of toxicity with aquatic animals. The aim of this study was to determine and compare values of LC50 for potassium dichromate during the whole period of embryonal development (i.e., 120 h) and 48 h after hatching of embryos in the common carp (Cyprinus carpio L.). Fish eggs and embryos were exposed to 5 different concentrations of potassium dichromate (i.e., 372, 409, 450, 495, 545 mgl-1) during two experiments. Such characteristics as the cumulative mortality, start and end of hatching, the number of deformities, body length, and body mass of surviving individuals were studied during the tests. The highest mortality was found late in the hatched embryos. The mortality and the frequency of deformities increased with the growing concentration of potassium dichromate. The value of 120 LC50 for potassium dichromate was 464.91  23.83 mgl-1 and the value of 48 LC50 was 458.94 =
- Potassium dichromate (K2Cr2O7) has already been used as a reference substance in tests of toxicity with aquatic animals. The aim of this study was to determine and compare values of LC50 for potassium dichromate during the whole period of embryonal development (i.e., 120 h) and 48 h after hatching of embryos in the common carp (Cyprinus carpio L.). Fish eggs and embryos were exposed to 5 different concentrations of potassium dichromate (i.e., 372, 409, 450, 495, 545 mgl-1) during two experiments. Such characteristics as the cumulative mortality, start and end of hatching, the number of deformities, body length, and body mass of surviving individuals were studied during the tests. The highest mortality was found late in the hatched embryos. The mortality and the frequency of deformities increased with the growing concentration of potassium dichromate. The value of 120 LC50 for potassium dichromate was 464.91  23.83 mgl-1 and the value of 48 LC50 was 458.94 = (en)
- Dichroman draselný K2Cr2O7 se používá jako referenční látka v testech toxicity s vodními živočichy. Cílem této studie bylo zjistit a porovnat LC50 pro K2Cr2O7 za období celého embryonálního vývoje (120 h) a za období 48 h po vykulení embryí u kapra obecného (Cyprinus carpio L.). Jikry a embrya byly ve dvou pokusech exponovány v 5 koncentracích K2Cr2O7 (372, 409, 450, 495, 545 mg.l-1). Během testů byla sledována kumulativní mortalita, začátek a konec kulení, počet deformací, celková délka těla a hmotnost přežívajících jedinců. Nejvyšší mortality bylo dosaženo až u vykulených embryí. Mortalita a počet deformací se zvyšovaly se stoupající koncentrací K2Cr2O7. Hodnota 120 LC50 pro dichroman draselný byla 464.91  23.83 mg.l-1 (průměr  SD) a hodnota 48 LC50 byla 458.94  4.14 mg.l-1. Statistickým hodnocením nebyl shledán žádný statisticky významný rozdíl mezi hodnotami 120 LC50 a 48 LC50. Proto se jako vhodná metoda pro kontrolu citlivosti s využitím dichromanu draselnéh (cs)
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| Title
| - Potassium dichromate as a reference substance for embryonal tests of toxicity in the common carp (Cyprinus carpio L.)
- Využití dichromanu draselného jako referenční látky při provádění embryonálních testů toxicity s kaprem obecným (Cyprinus carpio L.) (cs)
- Potassium dichromate as a reference substance for embryonal tests of toxicity in the common carp (Cyprinus carpio L.) (en)
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| skos:prefLabel
| - Potassium dichromate as a reference substance for embryonal tests of toxicity in the common carp (Cyprinus carpio L.)
- Využití dichromanu draselného jako referenční látky při provádění embryonálních testů toxicity s kaprem obecným (Cyprinus carpio L.) (cs)
- Potassium dichromate as a reference substance for embryonal tests of toxicity in the common carp (Cyprinus carpio L.) (en)
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| skos:notation
| - RIV/62157124:16270/06:00000801!RIV07-MSM-16270___
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/62157124:16270/06:00000801
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - lethal concentration; embryonal toxicity; mortality; deformations; hatching (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Palíková, Miroslava
- Krejčí, Roman
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| http://localhost/t...ganizacniJednotka
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