Tiêu chuẩn quốc tế
Số hiệu
Standard Number
ASTM C22/C22M-00(2005)e1
Năm ban hành 2005
Publication date
Tình trạng
W - Hết hiệu lực
Status |
Tên tiếng Anh
Title in English Standard Specification for Gypsum
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Chỉ số phân loại Quốc tế (ICS)
By field |
Số trang
Page 2
Giá:
Price Liên hệ / Contact us
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Phạm vi áp dụng
Scope of standard 1.1 This specification covers gypsum, calcium sulfate combined with two molecules of water in crystalline form and having the approximate chemical formula CaSO42H2O.1.2 The values stated in either inch-pound units or SI (metric) are to be regarded separately as the standard. Within the text, the SI units are shown in brackets. The values stated in each system shall be used independently of the other. Values from the two systems shall not be combined.1.3 The text of this specification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.
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