Comparison of indicators from the plants, natural colors with acid-base test in daily life in order to find the appropriate solvent extraction of plant color, natural color. The indicators Comparison test of the indicators, acid-base and the media in everyday life, and the pH value by comparison with paper universal. Find the lifetime of the applications by introducing pea, cabbage, purple mangosteen, Dragon fruit, and bark. MAS bites with distilled water, mix of 95% ethanol 1:1. Bring a slurry that is testing the water in the ashes. Water, detergents and SOAP, which is represented on bass, and lemon juice. Carbonated water representing acid. It appears that the result indicators from a cabbage purple pea can test both acid and base, and the mangosteen fruit acidity function. Dragon fruit bark section. The results also are not clear. This may be because solvents are still not pure enough to be used as indicators.
การแปล กรุณารอสักครู่..
