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Co3o4

Manufactured by Fujifilm
Sourced in Japan

Co3O4 is a chemical compound composed of cobalt and oxygen. It is a dark blue or black crystalline solid. Co3O4 is commonly used as a catalyst and in the production of pigments and ceramic materials.

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2 protocols using co3o4

1

Synthesis of Li-Co Oxide Nanocomposite

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Accurately weighed powders of Li2O (Kojundo Chemical Laboratory co., ltd.) and Co3O4 (Wako Pure Chemical Industry, ltd.) were loaded into a zirconia milling pot (45 mL) in an Ar-filled glove box (LABmaster SP, MBRAUN) at atomic ratio of Co/Li = 0.1. The milling pot was fixed in a planetary ball mill machine (Pulverisette 7, Fritsch) and agitated with zirconia milling balls (10 mm diameter × 25) at 600 rpm for 200 h. Then, the milling pot was opened in an Ar-filled glove box and a dark green powder was collected. The elemental analysis of the resulting powder was carried out by inductively coupled plasma atomic emission spectroscopy (ICP-AES); Li 28.7 wt%, Co 24.0 wt%, atomic ratio of Co/Li = 0.099.
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2

Synthesis of Ba(Zn,Co)2Si2O7 Pigments

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The Ba(Zn1−xCox)2Si2O7 (0 ≤ x ≤ 0.50) pigments were synthesized by a conventional solid-state reaction method. BaCO3 (Kishida Chemical, Japan), ZnO (Kishida Chemical, Japan), SiO2 (Wako Pure Chemical, Japan) and Co3O4 (Wako Pure Chemical, Japan) were used as starting materials. The raw materials were mixed in a stoichiometric amount in an agate mortar. The mixture was calcined in an alumina boat at 1250 °C for 6 h. The samples were ground in an agate mortar before characterisation.
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