Sample transferring method and apparatus for flame type atomic absorption spectrophotometry
AssigneeShimadzu Corporation
InventorsKikuo Sasaki, Akira Honda, Seiji Kojima
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AssigneeShimadzu Corporation
InventorsKikuo Sasaki, Akira Honda, Seiji Kojima
Estimating the term…
A sample transfer apparatus atomizer connected via tube to a sample receiver for micro-sampling. The sample receiver has a funnel-shaped upward opening and is connected to the tube at the base of the funnel. A control unit controls the apparatus to make sure that the sample injected into the sample receiver will be so positioned in the tube that a quantity of solvent is positioned nearer to the vaporizer than the sample, and preferably another quantity of solvent is positioned nearer to the side of the sample receiver relative to the sample. The presence of solvent in the tube positioned nearer to the vaporizer than the sample delays the sample being sucked by the vaporizer, this preventing interruption of the sample flow in the tube and making the atomic absorption waveform more stable.
A method for injecting a sample into a sample receiver opening, said sample receiver connected via a tube to a vaporizer of a flame atomic absorption spectrophotometer to transfer the sample to the vaporizer, the method comprising the step of:
A method for injecting a sample into a sample receiver upwardly opening and with its bottom connected via tube to a vaporizer of a flame atomic absorption spectrophotometer, wherein air supply to said vaporizer is temporarily reduced or stopped when the sample is injected into said sample receiver.
A sample transferring apparatus for a flame atomic absorption spectrophotometer, comprising:
A method for injecting a sample in a flame atomic absorption spectrophotometer comprising a sample receiver connected to a vaporizer via a tube with a nozzle supplying sample to the sample receiver, comprising the steps of:
Dependencies are inferred from the claim text.