Projekta Nr.ISO 8424:2023
Nosaukums<p class="MsoBodyText"><span lang="EN-GB">This document specifies two methods for testing the resistance of raw optical glasses to attack by aqueous acidic solutions and defines a classification of optical glasses according to the acid resistance determined by these methods.</span></p> <p class="MsoBodyText"><span lang="EN-GB">The surface method tests the resistance of the polished plate-shaped optical glass to attack by aqueous acidic solutions at 25 °C for a specified time and indicates the class determined by this method as “SR-S”.</span></p> <p class="MsoBodyText"><span lang="EN-GB">The powder method tests the resistance of crushed granular optical glass to attack by an acidic aqueous solution at above 98 °C for 1 h, and indicates the class determined by this method as “SR-P”.</span></p>
Reģistrācijas numurs (WIID)77488
Darbības sfēra<p class="MsoBodyText"><span lang="EN-GB">This document specifies two methods for testing the resistance of raw optical glasses to attack by aqueous acidic solutions and defines a classification of optical glasses according to the acid resistance determined by these methods.</span></p> <p class="MsoBodyText"><span lang="EN-GB">The surface method tests the resistance of the polished plate-shaped optical glass to attack by aqueous acidic solutions at 25 °C for a specified time and indicates the class determined by this method as “SR-S”.</span></p> <p class="MsoBodyText"><span lang="EN-GB">The powder method tests the resistance of crushed granular optical glass to attack by an acidic aqueous solution at above 98 °C for 1 h, and indicates the class determined by this method as “SR-P”.</span></p>
StatussStandarts spēkā
ICS grupa81.040.10