Passive Treatments

Safety Precautions - Pickling & Passivation
Acids should only be used for on-site cleaning when other methods have proven to be unsatisfactory. Rubber gloves and safety glasses must be used and care taken to see that acid cleaners are not spilt over adjacent areas. It is most important that all residues are neutralised and thoroughly flushed away to a suitable waste system. Always dilute acid residues by adding acid to water, not water to acid. Use acid-resistant containers, such as glass or plastics.

Solvents should not be used in confined spaces. Smoking must be avoided when using solvents.

Chlorides are present in many cleaning agents. If a cleaner containing chlorides, bleaches or hypochlorites is used it must be promptly and thoroughly cleaned off afterwards.

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