| 摘要 |
Sample receiving apparatus 301 for retaining a liquid sample within a light path between a light source 602 and a light detector 401 comprises a sample receiving body 302 defining a sample duct 303 and a port 504 for allowing passage of a liquid sample into the duct. The sample duct is configured to receive a liquid sample between a light source input position 601 and a light detector input position 504, the distance between the light source input position and the light detector input position defining a sample path length (L). The apparatus is configured such that the distance between the light source input position and the light detector input position is adjustable so as to adjust the sample path length and is for use with low volume samples. Light detector 401 slides within sample duct 303 to adjust the light path length.
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