- Project Runeberg -  Iron and Steel in Sweden /
23

(1920) [MARC] - Tema: Business and Economy, Metals
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Filer shop.

Striberg Timansberg Haggruva Tuollavara

Fe2O3 38.63 - - 1.81

Fe3O4 35.63 79.50 85.48 94.64

FeO - 1.81 - -

MnO 0.09 1.10 0.27 0.19

MgO 0.26 3.46 1.13 traces

CaO 1.14 1.50 3.82 0.66

A12O3 0.20 0.94 0.57 -

SiO3 23.70 lO.00 9.26 1.82

Fe 52.84 58.98 61.88 69.79

P 0.010 0.007 0.004 0.007

S 0.019 - 0.060 -

The ore from Tuollavara contains about 3/4% TiO2, but usually only a couple of
thousandth percents of sulphur.

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