Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM D4904-99(2009)
• Năm ban hành / Publication date: 2009
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Practice for Preparation of Solution of Liquid Vegetable Tannin Extracts
• Số trang / Page: 2
• Phạm vi áp dụng / Scope of standard: 1.1 This practice covers a standard procedure for the cooling of analytical solutions such as those prepared Practices D 4901, D 4905, or D 6405. The tannin analysis results for an analytical solution are to some extent dependent on the conditions of the cooling of that solution. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 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.