Electron microscopy; proceedings of the Electron microscopy; proceedings of the Stockholm Conference, September, 1956 electronmicrosco00euro Year: 1957 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
Electron microscopy; proceedings of the Electron microscopy; proceedings of the Stockholm Conference, September, 1956 electronmicrosco00euro Year: 1957 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. 1.
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