Corrosion Testing Services
Our corrosion laboratory is equipped to carry out a broad range of testing from simple immersion to advanced AC and DC electrochemical techniques.
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Short term immersion testing is carried out on coatings using hydrochloric acid, sulfuric acid, and hydrofluoric acid.
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Long term, elevated temperature immersion testing is done in heated kettles with reflex condensers to maintain solution concentration.
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Alternating Current Impedance Spectroscopy (ACIS) is used to evaluate and monitor the performance of storage batteries during their development and operation in service.
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Direct Current (DC) potentiodynamic electrochemical techniques enable the quality of electropolished stainless steel surfaces to be precisely evaluated using international standards.
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The ASTM specification G-150 is used for critical pitting temperature testing and ASTM G-61 is used for critical pitting voltage determination, in the case of the semiconductor industry the SEMI specifications F-77 and F-120 are used respectively.
The F-120 specification was only recently approved by the SEMI Standard Committee for Gas Distribution Systems. This standard, which was developed by Mike Blum, became the appropriate method for ranking the pitting corrosion resistance of wetted surfaces of fittings such as elbows and glands as well as weldments between fittings and gas delivery tubing.
Testing Cell
for ASTM G-150 or SEMI F-77 Critical Pitting Temperature (CPT)
Test Cell for SEMI F-120 Test
Original SEMI F120 Proposal
The original Proposal to the SEMI Standard's Committee for the Development of SEMI F120