DE296009C - - Google Patents

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Publication number

DE296009C

DE296009C DENDAT296009D DE296009DA DE296009C DE 296009 C DE296009 C DE 296009C DE NDAT296009 D DENDAT296009 D DE NDAT296009D DE 296009D A DE296009D A DE 296009DA DE 296009 C DE296009 C DE 296009C

Authority

DE

Germany

Prior art keywords

sodium

bath

selenium

content

images

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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• BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 5
• 229910052711 selenium Inorganic materials 0.000 claims description 5
• 239000011669 selenium Substances 0.000 claims description 5
• 239000004927 clay Substances 0.000 claims description 4
• 239000002253 acid Substances 0.000 claims description 3
• 150000003839 salts Chemical class 0.000 claims description 3
• BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
• 150000007513 acids Chemical class 0.000 claims description 2
• 239000003638 chemical reducing agent Substances 0.000 claims description 2
• 229910052709 silver Inorganic materials 0.000 claims description 2
• 239000004332 silver Substances 0.000 claims description 2
• GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 10
• CJCPHQCRIACCIF-UHFFFAOYSA-L disodium;dioxido-oxo-selanylidene-$l^{6}-sulfane Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=[Se] CJCPHQCRIACCIF-UHFFFAOYSA-L 0.000 description 5
• 235000010265 sodium sulphite Nutrition 0.000 description 5
• XYXNTHIYBIDHGM-UHFFFAOYSA-N ammonium thiosulfate Chemical compound [NH4+].[NH4+].[O-]S([O-])(=O)=S XYXNTHIYBIDHGM-UHFFFAOYSA-N 0.000 description 3
• 239000004133 Sodium thiosulphate Substances 0.000 description 1
• 239000000834 fixative Substances 0.000 description 1
• 230000007774 longterm Effects 0.000 description 1
• 150000003378 silver Chemical class 0.000 description 1
• ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 description 1
• JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 1
• AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
• 235000019345 sodium thiosulphate Nutrition 0.000 description 1
• GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1