JPS6127328B2 - - Google Patents

Info

Publication number

JPS6127328B2

JPS6127328B2 JP13675480A JP13675480A JPS6127328B2 JP S6127328 B2 JPS6127328 B2 JP S6127328B2 JP 13675480 A JP13675480 A JP 13675480A JP 13675480 A JP13675480 A JP 13675480A JP S6127328 B2 JPS6127328 B2 JP S6127328B2

Authority

JP

Japan

Prior art keywords

solution

concentration

apt

crystals

particle size

Prior art date

1980-10-02

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

• Espacenet
• Global Dossier
• Discuss

• 239000013078 crystal Substances 0.000 claims description 20
• QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 18
• 239000002245 particle Substances 0.000 claims description 11
• ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 claims description 10
• WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 8
• 229910021529 ammonia Inorganic materials 0.000 claims description 7
• 239000007788 liquid Substances 0.000 claims description 7
• 230000008020 evaporation Effects 0.000 claims description 6
• 238000001704 evaporation Methods 0.000 claims description 6
• 239000000203 mixture Substances 0.000 claims description 5
• XAYGUHUYDMLJJV-UHFFFAOYSA-Z decaazanium;dioxido(dioxo)tungsten;hydron;trioxotungsten Chemical compound [H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O XAYGUHUYDMLJJV-UHFFFAOYSA-Z 0.000 claims description 3
• 238000004519 manufacturing process Methods 0.000 claims description 3
• 239000000843 powder Substances 0.000 description 7
• 230000000052 comparative effect Effects 0.000 description 5
• 238000002425 crystallisation Methods 0.000 description 5
• 230000008025 crystallization Effects 0.000 description 5
• VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 4
• 235000013339 cereals Nutrition 0.000 description 4
• 238000009835 boiling Methods 0.000 description 3
• CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 3
• 238000010438 heat treatment Methods 0.000 description 2
• 238000000034 method Methods 0.000 description 2
• 238000003756 stirring Methods 0.000 description 2
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
• 235000020985 whole grains Nutrition 0.000 description 2
• QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
• UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
• 230000005587 bubbling Effects 0.000 description 1
• 239000012141 concentrate Substances 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 230000001186 cumulative effect Effects 0.000 description 1
• 239000010419 fine particle Substances 0.000 description 1
• 229910052739 hydrogen Inorganic materials 0.000 description 1
• 239000001257 hydrogen Substances 0.000 description 1
• 229910052751 metal Inorganic materials 0.000 description 1
• 239000002184 metal Substances 0.000 description 1
• 238000013404 process transfer Methods 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 238000005979 thermal decomposition reaction Methods 0.000 description 1
• 229910052721 tungsten Inorganic materials 0.000 description 1
• 239000010937 tungsten Substances 0.000 description 1