http://www.epa.gov/mercury/faq.htm梖or additional information. Users should be aware that selling mercury and/or mercury containing products into your state or country may be prohibited by law. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific warning statements are given in Section 7." >
ASTM D1217-12 使用宾汉比重瓶对液体密度和相对密度(比重)的标准试验方法
Standard Test Method for Density and Relative Density (Specific Gravity) of Liquids by Bingham Pycnometer