PL39679B1 - - Google Patents
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- Publication number
- PL39679B1 PL39679B1 PL39679A PL3967956A PL39679B1 PL 39679 B1 PL39679 B1 PL 39679B1 PL 39679 A PL39679 A PL 39679A PL 3967956 A PL3967956 A PL 3967956A PL 39679 B1 PL39679 B1 PL 39679B1
- Authority
- PL
- Poland
- Prior art keywords
- developer
- fine
- copper
- grained
- grams
- Prior art date
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- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 6
- 150000001879 copper Chemical class 0.000 claims description 3
- 235000010265 sodium sulphite Nutrition 0.000 claims description 3
- ZVNPWFOVUDMGRP-UHFFFAOYSA-N 4-methylaminophenol sulfate Chemical compound OS(O)(=O)=O.CNC1=CC=C(O)C=C1.CNC1=CC=C(O)C=C1 ZVNPWFOVUDMGRP-UHFFFAOYSA-N 0.000 claims description 2
- 229910000859 α-Fe Inorganic materials 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- PANJMBIFGCKWBY-UHFFFAOYSA-N iron tricyanide Chemical compound N#C[Fe](C#N)C#N PANJMBIFGCKWBY-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 229960003975 potassium Drugs 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229960002635 potassium citrate Drugs 0.000 description 1
- 239000001508 potassium citrate Substances 0.000 description 1
- QEEAPRPFLLJWCF-UHFFFAOYSA-K potassium citrate (anhydrous) Chemical compound [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 description 1
- 235000011082 potassium citrates Nutrition 0.000 description 1
Description
Przedmiotem niniejszego wynalazku jest wy¬ wolywacz drobnoziarnisty. Dotychczas znane wywolywacze drobnoziarniste posiadaly ta wa¬ de, ze przy wywolywaniu nie pozwalaly osiag¬ nac dostatecznej kontrastowosci.Jak wykazaly doswiadczenia, przy dodaniu soli miedzi do znanych wywolywaczy na pod¬ stawie metolu i siarczynu sodu, uzyskuje sie drobnoziarnisty wywolywacz, wyrózniajacy sie tym, ze nie powodujac powiekszania ziarna, podnosi równoczesnie w znacznym stopniu kontrastowosc negatywu. Jak wykazaly dalsze doswiadczenia, najkorzystniejszym zwiazkiem nadajacym sie do tago celu okazal sie zelazi- cyjanek miedzi.Najkorzystniejszym zestawem charakteryzu¬ jacym wywolywacz wedlug niniejszego wyna¬ lazku stanowi wywolywacz o skladzie zawiera¬ jacym okolo 8 gramów metolu, 100 gramów siarczynu sodu i 6 gramów zelazicyjanku mie¬ dzi i wody do 1000 gramów. Pracujac takim wywolywaczem uzyskuje sie negatywy o drob¬ nym bardzo ziarnie i duzej kontrastowosci.Zelazicyjanek miedzi wskazane jest wytwa¬ rzac przez rozpuszczenie 20 g zelazicyjanku po¬ tasu, 20 g cytrynianu potasu i 2,5 g siarczanu miedzi w litrze wody. PL
Claims (1)
1.57 100 B-5 pism. ki. 7 gr 60 T-7-1558 '"%* PL
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL39679B1 true PL39679B1 (pl) | 1956-06-15 |
Family
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