acid-proof


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acid-fast

 [as´id-fast]
not readily decolorized by acids after staining; said of bacteria, especially Mycobacterium tuberculosis.

acid-proof

acid-fast.
References in periodicals archive ?
There is also a new manual available which contains engineered solutions for tank linings, concrete protection, protection for steel in severe chemical service and chemical proof systems such as acid brick mortar, polymer concretes and acid-proof gunite.
For ferric chloride (among the most corrosive chemicals used in water purification) the tank may be lined with acid-proof brick, laid in acid-proof cement.
Stainless steel used in the construction of acid-proof cabins has not previously been able to satisfy the strength requirements for ROPS compliance.
Sandvik said recent independent accredited testing by Finland's MTT Vakola, Measurement and Standardization, confirmed the acid-proof cabins on its Next Generation underground drill rigs are now fully compliant with both EN ISO 3471 (ROPS) and EN ISO 3449 (FOPS).
Made from acid-proof stainless steel, the new DGR-I medium pressure submersible pump bears all the hallmarks of the outstanding reputation that Landia has gained from its 70-years-plus pump experience.
Designed in acid-proof stainless steel, Landia's pump has a shredder propeller and extended knife system, which can handle guts, heads and even whole fish -- without the downtime of breakdowns or delays caused by clogging.