tender for supply of whatman filter paper grade 42 , machineries , whatman filter paper no. 42 (460mm x 570mm) ( ashless filter paper grade 42 for analytical/gravimetric use, surface characterestics: smooth, thickness:200?m, sheet size: 460*570 mm (±2mm), pack quantity: 100 sheets per pack, particle retention: ~2.5 ?m (± 0.5?m), ash content: 0.007%, basics weight:100 g/m² (± 5 g/m), filteration / flow speed: very slow (e.g. 5ml/minute, material :high- purity cellulose (cotton linters or equivalent), quality & compliance: iso 9001 or equivalent; bidder must provide certificate of analysis (coa), sds, and qa certificate for the latest lot released globally by the oem, packaging & labelling: moisture - resistant , sealed; lot number , grade, manufacturer details visible, equivalency clause :product must meet all above. any deviation must be certified with test data; quality certificates (coa,sds) must correspond to the latest global lot from the manufacturer, lot to lot consistency: bidder has to produce quality certificates like coa ,sds etc for at least previous 3 lots))(box of 100 sheets) (rate quoted should be forfifteen reams)