Studies on Sample Storage in Dispersion Staining

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Dispersion-staining-prepared samples were stored under condition temperature from 293K to 303K. The dispersion colour triggered by the asbestos fibre was examined, where the asbestos materials were chrysotile (Canada), amosite (South America), and crocidolite (South America). An immersion of nD298K = 1.550 was used for chrysotile, and the three separate immersions, nD298K = 1.680, 1.690, and 1.700, were used for both amosite and crocidolite.Dispersion-staining-color of samples which nD298K = 1.550 immersion was used for chrysotile were changed from violet-blue (temperature:293K) to violet-red (temperature:303K). Dispersion-staining-color of samples which nD298K = 1.680 immersions were used for amosite were changed from bluish -peach color(temperature:293K) to reddish-peach color (temperature:303K).