DE311019C - - Google Patents
Info
- Publication number
- DE311019C DE311019C DENDAT311019D DE311019DC DE311019C DE 311019 C DE311019 C DE 311019C DE NDAT311019 D DENDAT311019 D DE NDAT311019D DE 311019D C DE311019D C DE 311019DC DE 311019 C DE311019 C DE 311019C
- Authority
- DE
- Germany
- Prior art keywords
- cyanamide
- solution
- urea
- heated
- peroxide
- 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.)
- Active
Links
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 8
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 4
- UFONUKZQWFSQLP-UHFFFAOYSA-N [N].NC#N Chemical compound [N].NC#N UFONUKZQWFSQLP-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- MFEVGQHCNVXMER-UHFFFAOYSA-L 1,3,2$l^{2}-dioxaplumbetan-4-one Chemical compound [Pb+2].[O-]C([O-])=O MFEVGQHCNVXMER-UHFFFAOYSA-L 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910000003 Lead carbonate Inorganic materials 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- VQWFNAGFNGABOH-UHFFFAOYSA-K chromium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Cr+3] VQWFNAGFNGABOH-UHFFFAOYSA-K 0.000 description 1
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical compound O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/06—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from cyanamide or calcium cyanamide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Fertilizers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE311019C true DE311019C (enrdf_load_stackoverflow) |
Family
ID=564031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT311019D Active DE311019C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE311019C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT311019D patent/DE311019C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2460493C3 (de) | Verfahren zur Herstellung von Spinelltyp-Eisenoxid aus Ferrosalze und Manganverbindungen als Verunreinigungen enthaltenden Ablaugen | |
| DE3875227T2 (de) | Verfahren zur herstellung eines bades fuer die elektroplattierung einer binaeren zinn-kobalt-, zinn-nickel- oder zinn-blei- legierung und damit hergestelltes elektroplattierungsbad. | |
| DE311019C (enrdf_load_stackoverflow) | ||
| DE3925839A1 (de) | Verfahren zur erzeugung schwarzer ueberzuege auf zink oder zinklegierungen | |
| DE2239581C3 (de) | Lösung und Verfahren zum Aufbringen von Überzügen auf Zink oder Zinklegierungen | |
| DE3135004A1 (de) | Verfahren zur herstellung von distickstoffoxid | |
| DE669808C (de) | Verfahren zur Herstellung von Aminonitrilen | |
| DE816697C (de) | Verfahren zur Herstellung von Guanidinsalzen | |
| DE2408864C3 (de) | Verfahren zur gleichzeitigen Herstellung von Cyclohexanonoxim und konzentrierter Ammoniumsulfatlösung | |
| DE662431C (de) | Verfahren zur Herstellung von Ammonphosphat-Ammonnitrat-Ammonsulfat-Mischduengern | |
| DE222237C (enrdf_load_stackoverflow) | ||
| DE217934C (enrdf_load_stackoverflow) | ||
| DE2754207A1 (de) | Elektrolytisches bad fuer die elektrolyse von gold oder goldlegierungen und verfahren zur anwendung des bades | |
| DE267212C (enrdf_load_stackoverflow) | ||
| DE285259C (enrdf_load_stackoverflow) | ||
| DE179771C (enrdf_load_stackoverflow) | ||
| DE149026C (enrdf_load_stackoverflow) | ||
| DEB0033906MA (enrdf_load_stackoverflow) | ||
| DE201893C (enrdf_load_stackoverflow) | ||
| DE239834C (enrdf_load_stackoverflow) | ||
| DE535955C (de) | Verfahren zur Herstellung von Thioharnstoff bzw. Rhodancalcium aus Kalkstickstoff | |
| AT92345B (de) | Verfahren zur Erzeugung glänzender Metallüberzüge auf Metallen. | |
| DE250596C (enrdf_load_stackoverflow) | ||
| DE512749C (de) | Entzinnung von mit Zinn ueberzogenem Metall | |
| DE242776C (enrdf_load_stackoverflow) |