Tiêu chuẩn quốc tế

Số hiệu

Standard Number

ASTM E372-21
Năm ban hành 2021

Publication date

Tình trạng A - Còn hiệu lực

Status

Tên tiếng Anh

Title in English

Standard Test Method for Determination of Calcium and Magnesium in Magnesium Ferrosilicon by EDTA Titrimetry
Chỉ số phân loại Quốc tế (ICS)

By field

77.040 - Thử nghiệm kim loại
77.040.30 - Phương pháp kiểm tra. Kim tương và phương pháp thử khác
Số trang

Page

4
Giá:

Price

Liên hệ / Contact us
Phạm vi áp dụng

Scope of standard

1.1''This test method covers the chemical analysis of magnesium ferrosilicon having chemical compositions within the following limits: Element Composition Range,'''% '' Aluminum 2.0 max Calcium 0.25 to 3.00 Carbon 0.50 max Cerium 1.0 max Chromium 0.50 max Magnesium 2.00 to 12.00 Manganese 1.0 max Silicon 40.00 to 55.00 Sulfur 0.025 max Titanium 0.2 max 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. For general precautions to be observed in this test method, refer to Practices E50. 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.