Superseded
, Reaffirmed
, Under review
Standard
Historical
ISO 9689:1990 (R2021)
Raw optical glass — Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 degrees C — Testing and classification
Summary
Specifies a method for testing the resistance of raw optical glasses and a classification of optical glasses according to the aqueous alkaline phosphate-containing detergent resistance (phosphate resistance) determined by this method.
Notes
90.92 : Norme internationale à réviser
Technical characteristics
| Publisher | International Organization for Standardization (ISO) |
| Publication Date | 11/22/1990 |
| Confirmation Date | 09/14/2021 |
| Edition | 1 |
| Page Count | 8 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
No products.
Previous versions
22/11/1990
Superseded
, Reaffirmed
, Under review
Historical