The USP (United States Pharmacopeia, the National Formulary. Supplement) is the pharmacopeia of the United States. Stray light levels for ultraviolet-visible spectrophotometers (Model U-3900H, Model UH5300, and Model U-2900) were evaluated using various samples to verify compliance with USP 40 chapter <857>.All samples passed acceptance criteria of stray light in USP.

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三種型號(hào)的紫外分光光度計(jì)雜散光的評(píng)定.pdf