DE145284C - - Google Patents
Info
- Publication number
- DE145284C DE145284C DENDAT145284D DE145284DA DE145284C DE 145284 C DE145284 C DE 145284C DE NDAT145284 D DENDAT145284 D DE NDAT145284D DE 145284D A DE145284D A DE 145284DA DE 145284 C DE145284 C DE 145284C
- Authority
- DE
- Germany
- Prior art keywords
- water
- exposed
- plate
- chromium
- sulfuric acid
- 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
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 229940090961 chromium dioxide Drugs 0.000 claims description 5
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 claims description 5
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 claims description 5
- 229920000159 gelatin Polymers 0.000 claims description 5
- 235000019322 gelatine Nutrition 0.000 claims description 5
- RVXRZXHPSPTPFU-UHFFFAOYSA-L [Cr](=O)(=O)(O)O.[O-2].[Cr+3].[O-2].[O-2].[Cr+3] Chemical compound [Cr](=O)(=O)(O)O.[O-2].[Cr+3].[O-2].[O-2].[Cr+3] RVXRZXHPSPTPFU-UHFFFAOYSA-L 0.000 claims description 4
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims description 3
- 239000001828 Gelatine Substances 0.000 claims description 2
- 238000004043 dyeing Methods 0.000 claims description 2
- 238000005213 imbibition Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- 108010010803 Gelatin Proteins 0.000 claims 3
- 239000008273 gelatin Substances 0.000 claims 3
- 235000011852 gelatine desserts Nutrition 0.000 claims 3
- 238000003287 bathing Methods 0.000 claims 2
- 238000001035 drying Methods 0.000 claims 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims 1
- JOSWYUNQBRPBDN-UHFFFAOYSA-P ammonium dichromate Chemical compound [NH4+].[NH4+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O JOSWYUNQBRPBDN-UHFFFAOYSA-P 0.000 claims 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims 1
- 150000001844 chromium Chemical class 0.000 claims 1
- 229910000423 chromium oxide Inorganic materials 0.000 claims 1
- 230000001684 chronic effect Effects 0.000 claims 1
- 239000003086 colorant Substances 0.000 claims 1
- 238000004040 coloring Methods 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 210000003298 dental enamel Anatomy 0.000 claims 1
- 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 1
- 239000011521 glass Substances 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- 239000000975 dye Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/22—Direct chromate processes, i.e. without preceding silver picture, or agents therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Surface Treatment Of Glass (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE145284T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE145284C true DE145284C (OSRAM) |
Family
ID=5670680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT145284D Active DE145284C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE145284C (OSRAM) |
-
0
- DE DENDAT145284D patent/DE145284C/de active Active
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