The United States Pharmacopeia, Volume 19

100-ml volumetric flask absorption spectrum accurately weighed add 5 ml Assay preparation beaker Calculate the quantity Capsules chloride chloroform chromatographic contains not less determine the absorbances diatrizoate diatrizoate meglumine dilute hydrochloric acid dilute with water Dispensing information Dissolve dried basis equivalent Erythromycin ether exhibits maxima extract filter filtrate following amounts hydrochloric acid Hydrochloride Hydrocortisone Identification test Injection kg of body labeled amount less than 90.0 maxima and minima maximum absorbance meets the requirements methanol mixture ml of dilute ml of sodium ml of water Packaging and storage-Preserve Penicillin percent perchloric acid Phenobarbital Pipet portion potassium potassium bromide Reference Standard sodium hydroxide solvent spectrophotometer Standard preparation Standard solution steam bath sterile storage-Preserve in tight storage-Preserve in well-closed Sulfate sulfuric acid tight containers tion titrate tube Usual dose range Usual pediatric dose usually available contains volumetric flask water to volume wavelength of maximum wavelengths µg per ml