Mitteleuropäische Brautechnische Analysenkommission

Search results for [Atomabsorptionsspektrometer]

Method Database (2)

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R-205.29.190

Zinc in Wort – AAS

/ RAW MATERIALS / Malt / AAS of Minerals

Purpose

Zinc is an essential trace element for yeast. It stimulates numerous metabolic reactions such as protein synthesis, nucleic acid and carbohydrate metabolism, phosphate transfer and...

Scope of application:

Suitable for analysis of all (laboratory) wort samples

Descriptors:

AAS

Atomabsorptionsspektrometer

atomic absorption spectrometer

cell reproduction

Congress wort

Kongresswürze

metabolic reactions

Spurenelement

Stoffwechselvorgänge

trace element

wort

zinc

Zink

Principle

Zinc in wort is measured using the AAS technique by directly aspirating the diluted sample into an acetylene oxygen flame or through electrothermal atomization; the measurement is made at 213.9 nm.

R-205.30.190

Copper in Wort – AAS

/ RAW MATERIALS / Malt / AAS of Minerals

Purpose

Copper may be transferred to the wort from pesticide residues on the raw materials. Heavy metal ions have a negative effect on the colloidal stability as well...

Scope of application:

Suitable for analysis of all (laboratory) wort samples

Descriptors:

AAS

Atomabsorptionsspektrometer

atomic absorption spectrometer

Congress wort

Copper

Kongresswürze

Kupfer

pesticide residues

wort

Principle

Copper in wort is measured using AAS by directly aspirating the diluted sample into an air-acetylene flame or by electrothermal atomization; the measurement is made at 324.7 nm.

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