1.1这些规程旨在提供紫外线和可见光定量分析中最常用技术的一般信息。目的是使这些技术描述在定量分析的个别方法中不必要重复。 1.2本标准无意解决与其使用相关的所有安全问题（如有）。使用本标准的人有责任在使用前咨询并建立适当的安全和健康实践，并确定监管限制的适用性。

1.1 These practices are intended to provide general information on the techniques most often used in ultraviolet and visible quantitative analysis. The purpose is to render unnecessary the repetition of these descriptions of techniques in individual methods for quantitative analysis. 1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.