MUMBAI, India, Feb. 13 -- Intellectual Property India has published a patent application (202641008069 A) filed by AT40S, Hyderabad, Telangana, on Jan. 27, for 'a portable battery-operated ftir-based multi-liquid analyser and a method for analysing multiple liquids using the same.'

Inventor(s) include Deborah Lovwin Banna.

The application for the patent was published on Feb. 13, under issue no. 07/2026.

According to the abstract released by the Intellectual Property India: "The present invention relates to a portable, battery-operated Fourier Transform Infrared (FTIR)-based multi-liquid analyser configured for on-site qualitative and quantitative analysis of liquid samples. The analyser comprises a storm case (101) housing a handheld FTIR spectrometer (102), a removable cuvette assembly (115) having ZnSe optical windows with selectable optical path lengths, a mechanically operated sample intake assembly (104), a mini heater (103), a display unit (122), an embedded processing unit, and rechargeable power sources (105, 113, 116). Infrared radiation emitted from a tungsten halogen lamp (124) is directed through a liquid sample contained within the cuvette assembly (115) and transmitted radiation is detected by an InGaAs detector (121). Detector signals are processed using Fourier Transform algorithms to generate infrared absorption spectra, which are analysed, stored, and displayed. The mechanically operated spring-loaded pistons enable controlled introduction of samples and acidic and alkaline cleaning solutions without electrically driven pumps."

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