警告-使用本文件可能涉及危险材料、操作和安全 设备本文件并非旨在解决与以下各项相关的所有安全问题: 它的用途。本文件的使用者有责任建立适当的安全和 并在使用前确定任何其他限制的适用性。本文件规定了使用重量法测定尼古丁纯度的方法 钨硅酸。 本方法适用于用于校准分析方法的纯尼古丁或尼古丁盐 烟草、烟草制品和烟雾分析领域中尼古丁的测定。交叉引用:ISO/IEC 17025购买本文件时可获得的所有现行修订均包含在购买本文件中。

WARNING — The use of this document can involve hazardous materials, operations and equipment. This document does not purport to address all the safety problems associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices and determine the applicability of any other restrictions prior to use.This document specifies a method for the gravimetric determination of the purity of nicotine using tungstosilicic acid. The method is applicable to pure nicotine or nicotine salts used to calibrate analytical methods for the determination of nicotine in the field of tobacco, tobacco products and smoke analysis.Cross References:ISO/IEC 17025All current amendments available at time of purchase are included with the purchase of this document.