DE156397C - - Google Patents

Info

Publication number

DE156397C

DE156397C DENDAT156397D DE156397DA DE156397C DE 156397 C DE156397 C DE 156397C DE NDAT156397 D DENDAT156397 D DE NDAT156397D DE 156397D A DE156397D A DE 156397DA DE 156397 C DE156397 C DE 156397C

Authority

DE

Germany

Prior art keywords

salt

acid

ferrocyanic

iron salt

ferrocyanide

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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• 150000003839 salts Chemical class 0.000 claims description 17
• LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 12
• DCYOBGZUOMKFPA-UHFFFAOYSA-N iron(2+);iron(3+);octadecacyanide Chemical compound [Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] DCYOBGZUOMKFPA-UHFFFAOYSA-N 0.000 claims description 11
• 239000003513 alkali Substances 0.000 claims description 10
• 239000007800 oxidant agent Substances 0.000 claims description 8
• 238000000034 method Methods 0.000 claims description 7
• 239000002253 acid Substances 0.000 claims description 6
• 230000003647 oxidation Effects 0.000 claims description 5
• 238000007254 oxidation reaction Methods 0.000 claims description 5
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
• BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 4
• BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 3
• 238000010438 heat treatment Methods 0.000 claims description 3
• 150000004677 hydrates Chemical class 0.000 claims description 3
• GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
• KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims description 2
• 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 2
• FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 2
• YHGPYBQVSJBGHH-UHFFFAOYSA-H iron(3+);trisulfate;pentahydrate Chemical compound O.O.O.O.O.[Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O YHGPYBQVSJBGHH-UHFFFAOYSA-H 0.000 claims description 2
• 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 2
• 238000004519 manufacturing process Methods 0.000 claims description 2
• 229910017604 nitric acid Inorganic materials 0.000 claims description 2
• 150000002825 nitriles Chemical class 0.000 claims description 2
• 238000001556 precipitation Methods 0.000 claims description 2
• 150000002505 iron Chemical class 0.000 claims 5
• 229960003351 prussian blue Drugs 0.000 claims 1
• 239000013225 prussian blue Substances 0.000 claims 1
• 230000009466 transformation Effects 0.000 claims 1
• 238000006243 chemical reaction Methods 0.000 description 6
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
• CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical class [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
• 229910052500 inorganic mineral Inorganic materials 0.000 description 2
• 239000011707 mineral Substances 0.000 description 2
• XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
• 238000010521 absorption reaction Methods 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 238000009835 boiling Methods 0.000 description 1
• 238000001311 chemical methods and process Methods 0.000 description 1
• 150000001875 compounds Chemical class 0.000 description 1
• 238000010411 cooking Methods 0.000 description 1
• 238000000354 decomposition reaction Methods 0.000 description 1
• 229910052742 iron Inorganic materials 0.000 description 1
• VRWKTAYJTKRVCU-UHFFFAOYSA-N iron(6+);hexacyanide Chemical compound [Fe+6].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] VRWKTAYJTKRVCU-UHFFFAOYSA-N 0.000 description 1
• 230000001590 oxidative effect Effects 0.000 description 1
• 239000007858 starting material Substances 0.000 description 1