Assay
Assay preparation 1
(where it is represented as being in a single-dose container)Withdraw all of the withdrawable contents of Injection, using a suitable hypodermic needle and syringe, and dilute quantitatively with water to obtain a solution containing a convenient quantity of dihydrostreptomycin in each mL.
Assay preparation 2
(where the label states the quantity of dihydrostreptomycin in a given volume of solution)Dilute an accurately measured volume of Injection quantitatively with water to obtain a solution containing a convenient quantity of dihydrostreptomycin in each mL.
Procedure
Proceed as directed for the turbidimetric assay of dihydrostreptomycin under
AntibioticsMicrobial Assays
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, using an accurately measured volume of
Assay preparation diluted quantitatively with water to yield a
Test Dilution having a concentration assumed to be equal to the median dose level of the Standard.