pH Down Citric

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    Trenchless and Technical Drilling Fluids & Additives

    pH Down Citric

    Earth Pro pH Down Citric is often incorporated into acid formulations. Its function is to prevent the precipitation of gelatinous ferric hydroxide as the acid spends. As a sequestering agent, citric acid can hold as much as 3000 mg/l of ferric iron in spent acid solutions for more than 4 hours at temperatures above 80°C.

    Earth Pro pH Down Citric is one of the most economical iron sequestering agents available. However, it should not be used at concentrations greater than 2 kg/m³ as it can precipitate calcium citrate if there is insufficient iron for it to sequester.

    As a cementing additive, Earth Pro pH Down Citric can be used as a retarder as well as cement dispersant. It is normally used at between 0.1% and 0.3% by weight of cement.

    Earth Pro pH Down Citric can also be used in a wide range of applications where the pH of aqueous fluids has to be lowered.

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