Use of positive pressure sampling to minimize viscosity errors in atomic absorption spectrophotometry.
D000042:Absorption; D003300:Copper / Q000032:analysis; D008722:Methods; D011312:Pressure; D013053:Spectrophotometry / Q000295:instrumentation; D014783:Viscosity; D015032:Zinc / Q000032:analysis
D003300:Copper; D015032:Zinc