Resolution requirements for middle molecule mass spectrometry

Oct 1, 1984 - Aids For Analytical Chemists-Circuit for Optimally Matching Instrumental Output Voltage Levels to The Input Voltage Levels of Analog-to-...
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Anal. Chem. 1984, 56, 2262-2263

2262

Table I. Fluoride and Hydrogen Ion Release from Water Samples Irradiated in Teflon Bottles

seawater time, h 0

0.5

1.0 2.0 3.0 4.0 5.0 6.0

PH 7.5 7.3 7.0 7.0 6.8 5.8 3.7 3.5

distilled water

freshwater

F-, mg L-'