更多salicylic例句

1. Further examination indicated the presence of salicylic acid, a gummy material, having the properties of tragacanth and glycerin.
2. Then add a drop of ferric chlorid solution, and a violet color will be produced if salicylic acid is present.
3. Formaldehyde, boric acid or salicylic acid may be added to preserve the milk.
4. A purple or violet coloration proves the presence of salicylic acid, which in turn indicates the presence of saccharin.
5. This test cannot be used if salicylic acid was used as a preservative in the original product.