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Copper Sulfate Testing
Inspection & Testing
Copper Sulfate Testing
Detect residual iron contamination and confirm passivation continuity with Fortune Seven’s standardized copper sulfate testing services.
Standardized Testing Protocol:
Performed according to ASTM A380 and ASTM A967 industry standards.
Targeted Defect Identification:
Uncovers embedded tool steel, grinding contamination, and iron oxide deposits left after fabrication.
Chemical Reaction Principle:
Acidified solution reacts with free iron, depositing a visible copper film within a 6-minute dwell period.
High-Chromium Compatibility:
Designed for stainless steel alloys with ≥16% chromium content across industrial, marine, and energy sectors.
(Note: Restricted for direct food-contact or pharmaceutical surfaces due to copper toxicity rules)
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