Tender For procurement of laboratory instruments in the department of zoology of maulana azad college, kolkata - digital ph meter with electrode bench top , ph meter 3 point calibration, checker plus pocket ph tester, student medical microscope with camera lucida prism type, stereo binocular microscope, vertical slab gel system-mini, submarine(horizontal gel system-mini, micro centrifuge machine digital, soxhlet apparatus, hot plate, digital precision balance, digital colony counter