Answer Posted / viswanadham.dama

Uniformity of dosage units are determined from two ways.

1.Content Uniformity
2.Weight variation


Content Uniformity is applied when tablet or capsules having
25mg or below and
when active pharmaceutical ingradient 25% weight present in
the total tablet weight.

weight variation test is versa.

Acceptance critiria for uniformity of Dosage units are for
content uniformity Acceptance value cannot be more than 15.

calculation of acceptance value is
A.V=(X-M)+K.S
where X=Mean value of 10 units
M=98.5 or 101.5
K=2.4(constant value) for 10 units
2.0(constant value) for 30 units
S=Standard Deviation value

in the above expression there are three cases
a)A.V=K.S(when X value lies 98.5 to 101.5)
b)A.V=(X-M)+K.S(when X value is more than 101.5)
c)A.V=(M-X)+K.S(when X value is less than 101.5)

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