A flow cell device includes a body having a hollow bore in which a liquid sample may reside. An electromagnetic beam may be directed through the body and into the bore to irradiate the liquid sample. The beam may be directed orthogonal to an axis of the bore. A light ray produced as a result of the irradiation may likewise be directed orthogonal to the bore axis along the same plane as the beam, and received by a detector. The body may be secured between a liquid inlet structure and a liquid outlet structure.
