FOR the analysis of the nitrate content of sea water, and for certain tests on alkaloids, it is necessary to have sulphuric acid free from all but the most minute amounts of nitric acid.
Common cotton is one of the forms of lignine, which is a compound of carbon, hydrogen and oxygen (the same as wood), but when subjected to the action of nitric acid, nitrogen enters into its ...
Careful procedures are a must. Touchstone testing is based on the fact that 24k gold resists all but the strongest acids. The purer the gold, the stronger the acid required to dissolve it. Measured ...
Knowing foods that cause acid reflux can help you prevent and manage this condition. Common triggers include carbonated drinks, spicy foods, chocolate, and tomatoes. Acid reflux, also known as ...