The list of deleterious materials has always remained fluid because as technology advances new products come onto the market and medical research establishes new risks to health. Clauses in contracts and appointment documents often refer to compliance with 'Good Practice in the selection of construction materials'.he list of deleterious materials has always remained fluid because as technology advances new products come onto the market and medical research establishes new risks to health. Clauses in contracts and appointment documents often refer to compliance with 'Good Practice in the selection of construction materials'.
Hydrogen peroxide is a weak acid. Generally, acids distinguishable by the hydrogen proton, while bases are generally anything with a hydroxide. For instance, hydrochloric acid, or HCl, can be distinguished by the H+ bonded with Cl-. NaOH on the other hand, is a bond between Na+ and OH-.
sodium hydroxide is a base hydrochloric acid is of course an acid when an acid reacts with a base they neutralize each other cancel out each other and salt and water are formin this reaction the sodium from the base displaces takes the place of the hydrogen in the acidubmit just now report abuse sodium hydroxide is a base hydrochloric acid is of course an acid when an acid reacts with a base they neutralize each other cancel out each other and salt and water are form in this reaction the sodium from the base displaces takes the place of the hydrogen in the acid