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ISO 1389-2:1977 PDF
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Phthalic anhydride for industrial use — Methods of test — Part 2: Measurement of colour of the molten material
The principle is based on the measurement of colour, by the method specified in ISO 2211, of a test portion in the molten state. The results are expressed in Hazen units. – ISO 1389, Parts 1 to 11, replace ISO Recommendation R 1389-1970.
| Edition | 1977 |
|---|---|
| Standard Part No | 2 |
| Published Date | 1977 |
| Published By | International Standardization Organisation |
| Page Count | 2 |
