DE134773C - - Google Patents
Info
- Publication number
- DE134773C DE134773C DENDAT134773D DE134773DA DE134773C DE 134773 C DE134773 C DE 134773C DE NDAT134773 D DENDAT134773 D DE NDAT134773D DE 134773D A DE134773D A DE 134773DA DE 134773 C DE134773 C DE 134773C
- Authority
- DE
- Germany
- Prior art keywords
- high concentration
- acids
- acid
- alkalis
- protected
- 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
- 239000002253 acid Substances 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 150000007513 acids Chemical class 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/88—Concentration of sulfuric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE134773C true DE134773C (https=) |
Family
ID=402868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT134773D Active DE134773C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE134773C (https=) |
-
0
- DE DENDAT134773D patent/DE134773C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1065179B (de) | Verfahren zur Herstellung harzartiger Produkte | |
| DE134773C (https=) | ||
| US522719A (en) | John mullaly | |
| DE493743C (de) | Verfahren zur Entrostung | |
| DE351022C (de) | Verfahren zur Herstellung von Metallen oder Metallgemischen mit Zusatzstoffen | |
| US685299A (en) | Method of sharpening worn-out files. | |
| DE406153C (de) | Verfahren zur Herstellung von Kondensationsprodukten aus Phenolen und Aldehyden | |
| DE204398C (https=) | ||
| DE351003C (de) | Verfahren zur Herstellung von harzoelartigen Produkten | |
| DE34623C (de) | Verfahren zur Darstellung von Hochglanzbronzefarben | |
| DE227398C (https=) | ||
| DE1298836B (de) | Verfahren zum Reinigen von Gegenstaenden aus starrem Material | |
| DE165222C (https=) | ||
| US832770A (en) | Art of hardening and toughening steel. | |
| DE232792C (https=) | ||
| DE451534C (de) | Verfahren zur Herstellung gerbend wirkender Sulfosaeuren | |
| DE457182C (de) | Verfahren zur Darstellung von Kuepenfarbstoffen | |
| DE95759C (de) | Schnellgerbverfahren | |
| US1376367A (en) | Solution or bath for use in electrically preparing stencil-plates, die-plates, and the like | |
| DE723294C (de) | Verfahren zur Gewinnung von Fettsaeuren aus den bei der Aufarbeitung von Paraffinoxydationsprodukten anfallenden Destillationsrueckstaenden | |
| DE878430C (de) | Loesungs- und Reinigungsmittel | |
| DE929090C (de) | Holzimpraegnierungsmittel | |
| DE192970C (https=) | ||
| DE271745C (https=) | ||
| DE68356C (de) | Verfahren zur Herstellung einer nicht oxydirbaren flüssigen Bronce |