HUT47651A - Surface treating, passivating pickle composition for iron and steel structural materials
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Surface treating, passivating pickle composition for iron and steel structural materials
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Publication number
HUT47651A
HUT47651AHU168587AHU168587AHUT47651AHU T47651 AHUT47651 AHU T47651AHU 168587 AHU168587 AHU 168587AHU 168587 AHU168587 AHU 168587AHU T47651 AHUT47651 AHU T47651A
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Publication date
Application filed by Vas Megyei Kemenyseproe Es TuefiledCriticalVas Megyei Kemenyseproe Es Tue
Priority to HU168587ApriorityCriticalpatent/HU199572B/en
Publication of HUT47651ApublicationCriticalpatent/HUT47651A/en
Publication of HU199572BpublicationCriticalpatent/HU199572B/en
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods
(AREA)
Detergent Compositions
(AREA)
Abstract
The soln. comprises (v/v%): 65-75 phosphoric acid, 1-5 conc. HCl, 1-3Conc. H2O4, up to 1 citric acid, up to 1 tartaric acid, up to 1 copper sulphate, 0.5-4 zinc oxide, 1-2 nonyl-phenyl-glycol-ether, 1-5 ethyl alcohol, up to 1 tert. sodium citrate, 1-3 potassium dichromate, up to 1 sec. potassium citrate, 0.1 bromothymol blue, made up to 100 with water.
HU168587A1987-04-161987-04-16Passivated pickle composition for treating of surfaces of iron and steel construction materials
HU199572B
(en)
Process for the chemical conversion of metallic substrates, conversion bath adapted to be used in the same process and concentrate adapted for the preparation of the bath