ASNT Level III- Visual & Optical Testing
My Level III Self Study Notes Reading 4 Section 4B
My Level III Self Study Notes Reading 4 Section 4B
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7.3.3 Containers<br />
Containers used with etchants must be rated for mixing,<br />
storing and handling of chemicals. Glass is resistant to most<br />
chemicals and is most often used for containment and stirring<br />
rods. Hydrofluoric acid, other fluorine based materials,<br />
strong alkali and strong phosphoric acids can attack glass,<br />
requiring the use of inert plastics.<br />
Keywords:<br />
Strong phosphoric acid attack glass<br />
Charlie Chong/ Fion Zhang