DE117298C - - Google Patents

Info

Publication number

DE117298C

DE117298C DENDAT117298D DE117298DA DE117298C DE 117298 C DE117298 C DE 117298C DE NDAT117298 D DENDAT117298 D DE NDAT117298D DE 117298D A DE117298D A DE 117298DA DE 117298 C DE117298 C DE 117298C

Authority

DE

Germany

Prior art keywords

hydrochloric acid

solution

reduction

precipitated

azo

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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• 239000012670 alkaline solution Substances 0.000 claims description 2
• VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
• 239000000243 solution Substances 0.000 description 4
• CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
• PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
• PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
• IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
• 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 2
• 239000000706 filtrate Substances 0.000 description 2
• 229910052742 iron Inorganic materials 0.000 description 2
• 230000008018 melting Effects 0.000 description 2
• 238000002844 melting Methods 0.000 description 2
• 150000003839 salts Chemical class 0.000 description 2
• 229910052938 sodium sulfate Inorganic materials 0.000 description 2
• 235000011152 sodium sulphate Nutrition 0.000 description 2
• RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
• ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
• HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
• 230000002378 acidificating effect Effects 0.000 description 1
• -1 azo compound Chemical class 0.000 description 1
• 239000000987 azo dye Substances 0.000 description 1
• 238000006243 chemical reaction Methods 0.000 description 1
• 150000001875 compounds Chemical class 0.000 description 1
• 238000000354 decomposition reaction Methods 0.000 description 1
• 150000008049 diazo compounds Chemical class 0.000 description 1
• 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 1
• 239000000975 dye Substances 0.000 description 1
• 238000004043 dyeing Methods 0.000 description 1
• 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
• 210000002268 wool Anatomy 0.000 description 1
• 239000011701 zinc Substances 0.000 description 1
• 229910052725 zinc Inorganic materials 0.000 description 1