Quality control How to find unknown concentration of chlorine October 8, 2020 Transmission measurement using Atto3 handheld spectrometer to find unknown concentration of chlorine in swimming pool and tap water. https://attonics-systems.com/wp-content/uploads/2020/10/Chlorine-measurement.mp4 Share Post: Share this blog with everyone chlorine measurementhandheld spectrometerspectroscopyspectrumTransmissionTransmission measurement