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Forwarded from MO (⅃ᓄؤᓄ)
The talc or other inert material functions as both a !?
Forwarded from MO (⅃ᓄؤᓄ)
Elutriation with water is used to remove soluble material and finally divided particles
Anonymous Quiz
87%
T
13%
F
Forwarded from MO (⅃ᓄؤᓄ)
Forwarded from MO (⅃ᓄؤᓄ)
The terpenes are _____ water soluble which are mostly removed by filtration (clarification process)
Anonymous Quiz
75%
the least
25%
the most
Forwarded from MO (⅃ᓄؤᓄ)
oils (aroma carriers) are prepared by fractional distillation and or extraction, are stronger in aroma and more soluble and more stable than the natural essential oil (Terpene oils) , but are of higher expense
Anonymous Quiz
24%
terpene
76%
terpeneless
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Forwarded from MO (⅃ᓄؤᓄ)
Concentrated aromatic waters are prepared to obviate the difficulties involved in the clarification of aromatic water
Anonymous Quiz
93%
T
8%
F
Forwarded from MO (⅃ᓄؤᓄ)
An alcoholic solution (50-55% alcohol) of the essential oil is mixed with water and talc
Anonymous Quiz
80%
T
20%
F
Forwarded from MO (⅃ᓄؤᓄ)
The diluted aromatic water is prepared by diluting 2ml of the concentrated aromatic solution to 100ml with water. The resultant contains less than ____ of alcohol.
Anonymous Quiz
7%
1%
82%
1.5%
6%
2%
6%
2.5%
Forwarded from MO (⅃ᓄؤᓄ)
alcohol are prone to alteration in flavor and aroma !?
Forwarded from MO (⅃ᓄؤᓄ)
alcohol ____ SAA may be used like Tween 80 (polysorbate 80)
Anonymous Quiz
87%
non ionic
13%
ionic
Forwarded from MO (⅃ᓄؤᓄ)
Solution of SAA dissolve larger amounts of water _____ material
Anonymous Quiz
81%
insoluble
19%
soluble
Forwarded from MO (⅃ᓄؤᓄ)
Dilution method The pH ____ than the official
Anonymous Quiz
82%
lower
18%
higer
Forwarded from MO (⅃ᓄؤᓄ)
Aromatic waters are ____ stable preparations.
Anonymous Quiz
73%
not very
27%
very
Forwarded from MO (⅃ᓄؤᓄ)
Excessive exposure to light and change in temperature cause !?
Forwarded from MO (⅃ᓄؤᓄ)
Separation of volatile material when the temperature _____ causing cloudiness
Anonymous Quiz
72%
decrease
28%
increase
Forwarded from MO (⅃ᓄؤᓄ)
Salting out of volatile substance upon addition of water solution of _______ and may collect on surface of the liquid imparting a burning taste to the first dose.
Anonymous Quiz
81%
strong electrolytes
19%
weak electrolytes
Forwarded from MO (⅃ᓄؤᓄ)
Loss in flavor may be observed if aromatic waters are used in the _____ phase of dispersions
Anonymous Quiz
78%
external
22%
internal
Forwarded from MO (⅃ᓄؤᓄ)
Oxidative degradation involving dissolved atmospheric oxygen with the aroma bearing solutes which may be catalyzed by light and trace metals like iron and copper
Anonymous Quiz
91%
T
9%
F
Forwarded from MO (⅃ᓄؤᓄ)
is stored in light resistant bottles, since light catalyzes the oxidation to the poisonous gas phosgene.
Anonymous Quiz
34%
Almond water
66%
Chloroform water
Forwarded from MO (⅃ᓄؤᓄ)
Almond water deposits crystals of benzoic acid which result from ??
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