KONTROLA FARMACEVTSKIH OBLIK 3 Flashcards

1
Q

KAJ JE RELATIVNA GOSTOTA?

A

JE RAZMEDJE MED MASO DOLOCENEGA VOLUMNA PREPARATA IN MASO ENAKEGA VOLUMNA VODE

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2
Q

KAKSNA JE T PRI RELATIVNI GOSTOTI?

A

20 STOPINJ CELZIJA

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3
Q

S CIM DOLOCAMO RELATIVNO GOSTOTO?

A

S PIKNOMETROM

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4
Q

ZA KAJ UPORABLJAMO STOPNJO PENETRACIJE?

A

ZA DOLOCANJE VISKOZNOSTI MAZIL

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5
Q

KAJ UPORABLJAMO ZA MERJENJE VISKOZNOSTI OZ PENETRACIJO SNOVI?

A

PENTROMETER

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6
Q

DEFINICIJA STOPNJE PENETRACIJE:

A

POMENI STEVILO DESETINK MILIMETRA ZA KATERE PRODRE STOZEC VERTIKALNO V PREPARAT PRI PROSTEM PADU 5 SEK Z OBREMENITVIJO 150g PRI T 25 STOPINJ +- 0,5 STOPINJ

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7
Q

KAKSNA JE TEMPERATURA ZA STOPNJO PENETRACIJE?

A

25 -+ 0,5 STOPINJ

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8
Q

KAJ POMENI PH VREDNOST?

A

POMENI KISLOST OZIROMA BAZICNOST VODNE RAZTOPINE PREPARATA

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9
Q

KAJ JE RAZTOPINA?

A

MESANICA IONOV POSAMEZNIH IONSKIH SPOJIN TER VODE

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10
Q

KDAJ JE RAZTOPINA KISLA?
KDAJ JE RAZTOPINA BAZICNA?

A

KO PREVLADUJEJO OKSONIJEVI IONI ( H30 )
KO PREVLADUJEJO HIDROKSIDNI IONI ( OH )

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11
Q

KAKO LAHKO MERIMO PH?

A

1) KALORIMETRICNO
2) POTENCIOMETRICNO

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12
Q

KAKO MERIMO PH KALORIMETRICNO?
KATERI SO:

A

S POMOCJO INDIKATORJA
1) LAKMUS PAPIR
2) INDIKATORSKI TRAKOVI
a) UNIVERZALNI- za celo obmocje
b) SPECIALNI- za ozje obmocje
3)INDIKATORJI - RAZTOPINE

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13
Q

KATERI SO INDIKATORJI PHJA?

A

1) METIL ORANZ
2) METIL VIJOLICNO
3) METIL RDECE
4) FENOLFTALEIN

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14
Q

KAKO MERIMO PH POTENCIOMETRICNO?

A

Z PH METROM, ELEKTRONSKA NAPRAVA
STEKLENO ELEKTRODO ( meri el napetost, odvisna od koncentracije oksonijevih ionov )

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15
Q

KAKO UPORABLJAMO PH METER?

A

1) OMERIMO S STANDARNO RAZTOPINO PUFROV
2) MERIMO PRI T 20-25

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