Development of high performance liquid chromatographic methods for copper cyanide plating bath additives. Final report

Technical Report · Sun Dec 01 04:00:00 EST 1991

OSTI ID:10107853

Foster, R L

The analysis of two plating bath additives used in a copper cyanide plating process are described. Methods were developed that produced HPLC separation of the components and identification of the separated components obtained through mass spectral and nuclear magnetic resonance analyses. The methods can be used for acceptance testing of the additives, and quantitation of components can be performed if suitable standards are obtained. Napthalene sulfonic acid detergents, diphenylsulfones, and five different unidentified compounds behaving like salts were found in additive A. Additive B was found to contain the compound 2-pentene-3-ol, and two or three more components may be present. Acidification with phosphoric acid to a pH of about 2.5 produced a distinctly different chromatogram, indicating the components are affected by pH.

• Research Organization: Allied-Signal Aerospace Co., Kansas City, MO (United States). Kansas City Div.
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC04-76DP00613
• OSTI ID: 10107853
• Report Number(s): KCP--613-4506; ON: DE92004879
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320303
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105
400400
ADDITIVES
BRIGHTNESS
COPPER
CYANIDES
ELECTROCHEMISTRY
ELECTROPLATING
EQUIPMENT AND PROCESSES
LIQUID COLUMN CHROMATOGRAPHY
MASS SPECTROSCOPY
MONITORING
NUCLEAR MAGNETIC RESONANCE
PROCESS SOLUTIONS
PROGRESS REPORT
QUALITATIVE CHEMICAL ANALYSIS
SEPARATION PROCEDURES
SULFONATES
SULFONES