Tiêu chuẩn quốc tế
|
Số hiệu
Standard Number
ASTM D4323-84(2009)
Năm ban hành 2009
Publication date
Tình trạng
W - Hết hiệu lực
Status |
|
Tên tiếng Anh
Title in English Standard Test Method for Hydrogen Sulfide in the Atmosphere by Rate of Change of Reflectance
|
|
Chỉ số phân loại Quốc tế (ICS)
By field |
|
Số trang
Page 5
Giá:
Price Liên hệ / Contact us
|
|
Phạm vi áp dụng
Scope of standard 1.1 This test method covers the automatic continuous determination of hydrogen sulfide (H2S) in the atmosphere or in gaseous samples in the range from one part per billion by volume (1 ppb/v) to 3000 ppb/v. Information obtained may be used for air-pollution studies and to monitor for emission sources. 1.2 The range may be extended by appropriate dilution techniques or by equipment modification. 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. (See 6.2, 6.3, and 6.4 for specific safety precautionary statements.)
|