bids are invited for spme fiber holder - refer specifications , spme fiber assembly - refer specifications , porapak type q volatile collection traps - refer specifications , sectional adjustable height volatile collection chamber _standard - refer specifications , glass wool 250 gm - refer specifications , 320 to 400 nm nm wave length light traps uv - refer specifications , 400 to 470 nm wave length light traps blue - refer specifications , 500 to 540 nm wave length light traps green - refer specifications , cuvettes 10 mm path length 3 ml volume - refer specifications , charcoal sieve filters - refer specifications , adsorbent tubes - refer specifications , solvent elution glassware - refer specifications , sealing clamps - refer specifications total quantity : 61