Paragraph 5 APPARATUS
Atomic absorption spectrometer: see Method 25d (5). The apparatus must be fitted with a source of rays characteristic of zinc (213.8 nm). The spectrometer must allow background correction to be made.
Atomic absorption spectrometer: see Method 25d (5). The apparatus must be fitted with a source of rays characteristic of zinc (213.8 nm). The spectrometer must allow background correction to be made.