Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM D8284-19
• Năm ban hành / Publication date: 2019
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Method for Determination of the Total Alkalinity in Sulfated, Sulfonated Oils and Fatliquors
• Số trang / Page: 3
• Phạm vi áp dụng / Scope of standard: 1.1 This test method determines the total alkalinity of the fixed alkali, ammonia and triethanolamine which are bound as soap; free alkali, and the alkalinity of titratable alkaline salts, but not that of non-titratable alkaline salts. 1.2 Applicable to sulfated, sulfonated oils and fatliquors used in the softening and stuffing of leather. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.