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sklademVydáno: 1990
ISO 9689:1990
ISO 9689:1990-Raw optical glass — Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 degrees C — Testing and classification
Měna
| Označení normy: | ISO 9689:1990 |
| Počet stran: | 8 |
| Vydání: | 1 |
| Vydáno: | 1990 |
Popis
ISO 9689:1990
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.
