There are many chemicals available on the market today that are suitable for use as neutralization chemicals. The most commonly used chemicals are discussed in an article available here, and are in use for good reason.
Nitric Acid HNO3
Nitric Acid (HNO3): A widely used chemical in many industries. Nitric does not enjoy the popularity that hydrochloric or sulfuric does, as such, nitric is more expensive to use than either sulfuric or hydrochloric acid. As with hydrochloric acid nitric will evolve a noxious gas that combines with water vapor already in the air (humidity) to form a very corrosive gas. The gas is very highly corrosive and will attack all metallic objects including building structures, sprinkler heads, copper wiring, stainless steel, etc. Therefore, if HNO3 is used it must be properly vented or used outdoors where the gasses can easily dissipate. For this reason alone we generally recommend against the use of HNO3.
Generally this is a safe and inexpensive acid to use for the neutralization of alkaline materials, as long as precautions are taken to handle the corrosive gasses that are evolved..
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