Clinopyroxenes and hornblendes were dipped into hydrochloric acid in a water bath to decompose any associated impurities.
Different samples were dissolved in hydrochloric acid or water.
The flask was plugged with a rubber bung through which was inserted a 100 ml burette containing 15 ml of hydrochloric acid (37 % v/v).
The combination of phloroglucinol and hydrochloric acid stains the lignin red and increases visibility of annual rings, particularly in the softer wood of young trees.
Samples were collected in clean (washed with 5% hydrochloric acid and rinsed five to ten times with deionized water) polypropylene bottles.
Internal casts were obtained by macerating the specimens in a 20% hydrochloric acid bath.
Data are shown for varying residence times and concentrations of hydrochloric acid.
Effects of dietary hydrochloric acid on voluntary food intake and metabolism of sheep in relation to the use of mineral acids as silage additives.
