Phosphorus is objectionable because in similar circumstances it produces phosphoric anhydride and phosphoric acid.
2
This refrigerator is like those which we employ in our sulphurous anhydride frigorific apparatus.
3
Several smaller runs of 25 g. of phthalic anhydride gave the same percentage yield.
4
The Company is also engaged in the production and research and development of acetic anhydride.
5
This matter has been fully discussed in connection with the phosphoric anhydride determination.]
Uso de anhydrides en inglés
1
The oxygen escapes and the anhydrides, reacting with water, re-form nitric and sulphuric acids.
2
In this work we tested 12 commercially available anhydrides, selected based on their safety and hydrophobicity.
3
They also lay stress upon the superior stability of the nitrates of the anhydrides, especially of the ketoses.
4
Sulphur is objectionable in acetylene because it is converted into sulphurous and sulphuric anhydrides, or their respective acids, as it passes through the flame.