Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM E247-01
• Năm ban hành / Publication date: 2001
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Method for Determination of Silica in Manganese Ores, Iron Ores, and Related Materials by Gravimetry
• Số trang / Page: 3
• Phạm vi áp dụng / Scope of standard: 1.1 This test method covers the determination of silica in iron ores, iron ore concentrates and agglomerates, and manganese ore in the concentration range from 0.5 to 15%. 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 oi this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.