Spektrální analytické metody Flashcards

1
Q

viditelné spektrum

A

380 - 750 nm

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2
Q

ultrafialové záření

A

180 - 380 nm

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3
Q

infračervené záření

A

750 nm - 1 mm

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4
Q

hodnota energie s kratší vlnovou délkou…

A

roste.

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5
Q

s klesající energií vlnová délka…

A

roste.

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6
Q

UV-Vis

A

ultraviolet -visible

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7
Q

Princip UV-Vis spekteofotometrie

A

přechod valenčních e do excitovaného stavu

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8
Q

Jaké vzorky využívá IV-Vis spektrofotometrie..?

A

Kapalné

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9
Q

energie se přijímá..

A

po kvantech, je kvantová.

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10
Q

typ přechodu mezi hladinami orbitalu je určen…

A

energetickou vzdáleností hladin

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11
Q

Vidíme ve skutečnosti černou barvu?

A

Ne, domýšlíme si ji.

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12
Q

Rezonanční podmínka..?

A

?

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13
Q

“A” ?

A

absorbance

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14
Q

T / tau

A

transmitance

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15
Q

Lambertův-Beerův zákon:

A

A = c.l.epsilon

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16
Q

Kyveta z jakého materiálu propouští UV?

A

křemenná.

17
Q
A