WebBiuret Reagent TS —Dissolve 1.5 g of cupric sulfate and 6.0 g of potassium sodium tartrate in 500 mL of water in a 1000-mL volumetric flask. Add 300 mL of carbonate-free sodium hydroxide solution (1 in 10), dilute with carbonate-free sodium hydroxide solution (1 in 10) … Webcently boiled water. Add phenolphthalein TS, and titrate with 0.020N sodium hydroxide to a pink color that persists for 30 sec-onds: not more than 0.90 mL of 0.020N sodium hydroxide is re-quired for neutralization. Limitofnonvolatile residue—Evaporate40mLinatareddishon a water bath, and dry at 1058 for 1 hour: the weight of the residue
General Notices and Requirements - USP–NF
Web10. For a drug to be classified as USP grade, must the manufacturer follow the methods in <467>, or can they use an alternate, validated method? 11. If a material has Class 3 and Class 1 or 2 solvents in it, what is the USP method, since procedures A, B, and C are only for Class 1 and Class 2 Solvents and Loss on Drying (LOD) is only for Class ... Webbalamin Solution per tube on the abscissa, using for the ordi-dissolve 50 mg of the corresponding USP Reference Stan-nate either an arithmetic or a logarithmic scale, whicheverdard in 25 mL of 0.01 N hydrochloric acid. Treat each solu-gives the better approximation to a straight line. Draw thetion as follows. Add 2 mL of 1N sodium … pine tree treatment center portland me
8. TERMS AND DEFINITIONS - DrugFuture
WebBromine TS (Bromine Water) Bromine TS (Bromine Water) Reagents required in the tests and assay for U.S. Pharmacopeia and National Formulary articles and those required only … WebFor the preparation of Test Solutions, use reagents of the nonaphtholsulfonic acid TS fresh on the day of use by dis-quality described under Reagents. solving 1.5 g of the dry mixture … WebPotassium Sulfate TS Reagents required in the tests and assay for U.S. Pharmacopeia and National Formulary articles and those required only in determining the quality of other … pine tree tree