| MicroGroup offers all methods of passivating per ASTM A967. The Nitric II passivation line offers an auto-titrated nitric acid bath with triple cascading deionized water rinse. MicroGroup also offers acid neutralization using sodium hydroxide upon request. In-house testing for passivation is performed by ASTM A967 |
Practice D - Copper Sulfate Test, as well as by Practice E - Potassium Ferricyanide-Nitric Acid. MicroGroup also utilizes the Koslow electronic passivation test. Additional testing requirements are available by partnership with local analytical laboratories.
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