IPP chapt-10.pdfsuspension for regular class

Ipp unit 10

2. Rete Gender
ee dal of depend phase (ictereal phan) range from

4. i Types Of Emulsions:

9. Diluted with Diluted with

Water
No Phase Phase Change

| one 7

Diluted with Diluted with
Mater a

— as | >

Phase Change

WO Emulsion WO Emulsion WO Emulsion

OWEmuislon ‘OW Emulsion OW Emulsion

10. jotivity Test:

3—Bulb does not

[sem

‘Beaker —

Electrodes

OF

11. Tests Used To identify Emulsion Type:

1 Dye-Solubility Test:

13. Aqueous Liquid
'Cantinuous Phase) eer

Organic Solvent
(Bropiet Phase)

14. Mechanism of action of emulsifying

15. Film of emulsifier

2
2
5
<

Diagrammatic Representation of the Films Formed by the Emulsifying Agent at the
o/w Interface.

16. ln, hi

17. Emulsion W/O (Water / Oil) Emulsion O/W (Oil / Water)

18. emulmiying
A-These trom vegetable sure

1-hater agent may be coqs inte tros groves:

B-Tbsse bem ciel see

19. 2- Finely divided solid:

20. 3- Syniheiis emulsifying agents as

Alkali song:

22. Gationic surfacionte

5. Cay! timethyiammanium bromide (Ceirinide)
aed bencahonue ehignde

1 Disadvaniagos:
|

25. Table Ill: HLB Number vs. Solution Function

ME Wterlileruisiers |

26. ; Calculation of HLB:
Srita equation:

27. On small scale:

28. Proportions of:
O eee er |

Volatile oil

29. 1 Continental or dry gum method:

|
;

|

30. ı English or Wet Gum Method

I
y

|

31. |
|
|

32. Emulsion Stability:

The instability of pharmaceutical emulsions
may be classified as the following:

33. Physical Stability Mechanisms

Stable
Emulsion

Zu

Gravitational Coalescence Phase
Separation or Separation
Flocculati

Ti

Ostwald
Ripening

ion

34. i. Coalescence Se A ii. Flocculation

Y N
ö Good
Emulsion

iii. Creaming iv. Breaking

35. i nee and creaming:

36. flats \"

37. 1 Stoke's equation included the factors that
affect the creaming process:
dx/dt = d2 (pi-pe)g/18n

38. eve velocity upward creaming ]
pipe =+ve [ downward creaming]

pr

prpe = -ve [i

Ona, However tipo is applied.
AV 1 dome

41. Definition

Reverersability

Agitation

Emulsifying
film around

particles
Internal phase

globules
Effect of phase
volume ratio

42. li may be brought abect by:
ale ompision formed by salon siceraio ean bo inveried le
we.

Phess ungen con be mama by:

43. | Graskieg al emulsion aan be due ta:

eg. Monovalcal soup + divalent emp
00. acignia + calins enuisiying agent

44. ey dal coop: dosemperod by acs
eq. neneveiost compe cated aut by olontralptos much us
Gg. memes emulsifying agonía we nonmpatnie wah

es, aloshal precigtiaies gums and gelaiin

eg aires of u Savon m whieh to we PRESSE eo
aaishic (alaba)

45. Preservation from microorganisms:

; methyl, propy! and Duty! parabens
exalta

46. 1 on from oxidation:

ı @g-butyiaiod hydrozyanisolo (BHA)
e.g-buiyiaied hydroryioluene (BHT)

47. 1. Determination of particle size and particie
count:

48. - In case of ofw emulsions

- In use of w/o emulsiones

EAN

49. e RI ess ns

50. siabiiiy of emulsions:
1- Aging and iemperaiure

—

- Freezing damage emulsion more than heating ?

52. Flocculation b

Coalescence

ence a cc

| or liquid crystal
‘Surfactant
aggregates:
oil
Water