Analytical method for determining formaldehyde in electroless co

Details Analytical method for determining formaldehyde in electroless co Analytical method for determining formaldehyde in electroless co

1984-11-07

1985-09-17

Tung, T.

Chemistry: electrical and wave energy

Processes and products

204405, 422 75, 422 76, 427305, G01N 2746

Patent

active

045419027

ABSTRACT:
An analytical method for determining by potentiometric titration formaldehyde in an electroless copper plating bath, which comprises using a hydroxylamine salt such as hydroxylamine hydrochloride as the titrant and using a silver electrode as the indicator electrode. This method can determine free formaldehyde in low concentration which takes part in the plating reaction.

REFERENCES:
patent: 3551109 (1970-12-01), Dahms
patent: 3655526 (1972-04-01), Christian
patent: 3697224 (1972-10-01), Means

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