Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM D4903-99(2020)
• Năm ban hành / Publication date: 2020
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Method for Total Solids and Water in Vegetable Tanning Material Extracts
• Chỉ số phân loại Quốc tế (ICS) / By field: 59.140.10 - Quá trình chế biến và vật liệu phụ
• Số trang / Page: 2

Phạm vi áp dụng / Scope of standard

4.1 This test method is useful in determining the total solids and water in analytical solutions.

1.1 This test method is intended for use in determining the total solids and water in extracts of vegetable tanning materials. The test method is applicable to solutions of liquid, solid, pasty, and powdered extracts, and to extracts of raw or spent materials.

1.2 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.

1.3 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.