. Electron microscopy; proceedings of the Stockholm Conference, September, 1956. Electron microscopy. A = 02 Q4 0,6 0,8 1,0 12/J. Fig. 1 (left). P:l, P;2 and P:3—diflerent size fractions of the same sample of 99 "o a-quartz. Toxicity: Acute toxicity in mg per 30 g mouse by fractioned intravenous injection ad modum Dale and King (1953). Excretion: Urinary excretion after intraperitoneal injection during first five days in per cent of injected amount. A: Average particle size. Histograms: Particle size distribution. Electron micrographs: The different particle samples, see text. Fig.

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. Electron microscopy; proceedings of the Stockholm Conference, September, 1956. Electron microscopy. A = 02 Q4 0,6 0,8 1,0 12/J. Fig. 1 (left). P:l, P;2 and P:3—diflerent size fractions of the same sample of 99 "o a-quartz. Toxicity: Acute toxicity in mg per 30 g mouse by fractioned intravenous injection ad modum Dale and King (1953). Excretion: Urinary excretion after intraperitoneal injection during first five days in per cent of injected amount. A: Average particle size. Histograms: Particle size distribution. Electron micrographs: The different particle samples, see text. Fig. 2 (right). P:61, Aerosil, Gold- und Silberwerke. P:55, amorphous silica prepared by combustion of SiClj rtf//?;o(/«/» Flemmert. P:71, ground, fused silica. Other items as in fig. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original European Regional Conference on Electron Microscopy (1st : 1956 : Stockholm); Sjöstrand, Fritiof S. (Fritiof Stig), 1912-; Rhodin, Johannes A. G. New York : Academic Press

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