DE238756C - - Google Patents

Info

Publication number

DE238756C

DE238756C DENDAT238756D DE238756DA DE238756C DE 238756 C DE238756 C DE 238756C DE NDAT238756 D DENDAT238756 D DE NDAT238756D DE 238756D A DE238756D A DE 238756DA DE 238756 C DE238756 C DE 238756C

Authority

DE

Germany

Prior art keywords

acid

nitric acid

tungsten

pickling liquid

liquid according

Prior art date

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.)

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• GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 15
• 229910017604 nitric acid Inorganic materials 0.000 claims description 15
• WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 10
• 229910052721 tungsten Inorganic materials 0.000 claims description 10
• 239000010937 tungsten Substances 0.000 claims description 10
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 9
• NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
• 239000007788 liquid Substances 0.000 claims description 6
• 229910052751 metal Inorganic materials 0.000 claims description 5
• 239000002184 metal Substances 0.000 claims description 5
• 238000005554 pickling Methods 0.000 claims description 5
• 239000002904 solvent Substances 0.000 claims description 5
• 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
• KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims description 4
• AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims description 4
• 239000007800 oxidant agent Substances 0.000 claims description 4
• 239000000203 mixture Substances 0.000 claims description 3
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
• 239000012530 fluid Substances 0.000 claims 1
• 238000010438 heat treatment Methods 0.000 claims 1
• PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 18
• 229910052759 nickel Inorganic materials 0.000 description 9
• CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 4
• 230000000694 effects Effects 0.000 description 3
• 238000001556 precipitation Methods 0.000 description 2
• 239000002253 acid Substances 0.000 description 1
• 230000003111 delayed effect Effects 0.000 description 1
• 238000004090 dissolution Methods 0.000 description 1
• 230000005484 gravity Effects 0.000 description 1
• 230000003647 oxidation Effects 0.000 description 1
• 238000007254 oxidation reaction Methods 0.000 description 1
• 230000001590 oxidative effect Effects 0.000 description 1
• 239000003973 paint Substances 0.000 description 1
• IYDGMDWEHDFVQI-UHFFFAOYSA-N phosphoric acid;trioxotungsten Chemical compound 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=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.OP(O)(O)=O IYDGMDWEHDFVQI-UHFFFAOYSA-N 0.000 description 1
• 239000007787 solid Substances 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 238000009736 wetting Methods 0.000 description 1

Cited By (1)