tender |
| 03-13 02:47:27 来源： 作者： |
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tender Inquiry (采购产品): tender ATTENTION : INTERNATIONAL SALES DEPARTMENT TENDER - CHEMISTRY LABORATORY ITEM DESCRIPTION QUANTITY 1 Top Loading Balance 4 Capacity 120g, Readability 0.001g, Linearity +/- 0.002g Repeatability +/- 0.002g, 115V 60Hz 2 Top Loading Balance 4 Capacity 4100g, Readability 0.01g, Linearity +/- 0.02g Repeatability +/- 0.01g, 115V 60Hz 3 Distillation Apparatus Capacity 1000ml, condenser tubulations 10mm OD, 4 condenser jacket length 200mm. Inclusive of flask and clamps for holding glassware in assembly 4 Beaker Graduated glass beakers with pouring spout Capacity 250ml 24 Capacity 400ml 24 Capacity 600ml 12 Capacity 800ml 12 Capacity 1000ml 6 Capacity 2000ml 4 5 Centrifuge 1 Durable steel with stoved enamel, 4 swing out head with removable aluminium buckets. Rotor energies only when lid is closed and locked. Complete with aluminium buckets, adapters for 75mm x 100mm tubes, centrifuge tubes and instruction booklet. Capacity 4 x 15cc, tube size 16mm x 100mm, speed~2800rpm 6 Buchner Funnel 10 Glazed ceramic with perforated plate to accept 110mm diameter filter paper 550ml capacity 7 Bunsen Burner 10 Grid top adjustable, LP gas burner, 1 1/2" grid diameter, rustproof 8 Tripod Burner Stand 10 Cast iron top with removable legs 200mm height 9 Wire Gauze 10 Stainless steel wire 150mm side, 10mesh 10 Burette Stand 10 Polypropylene 5 1/2lb. Weight base and rod, 30"longx1/2 D rod 11 Burettes Glass with 2mm straight bore Teflon stopcock Capacity 50ml with 0.1ml graduation interval 10 Capacity 1000ml with 0.2ml graduation interval 10 12 Burette Clamp 10 Nickel plated zinc, to hold burettes, thermometers or reflux condensers at a fixed 90 Degree angle, with both slip on vinyl and fiberglass grip sleeves 13 Burette Brush 10 Nylon with bristle end on galvanised wire handle 900mm long. 15mm x 150mm head 14 Funnel 10 Glass, 100mm top inside diameter, 120mm long 15 Funnel 4 Polypropylene, capacity 1000mi, accepts standard filter paper 16 Non Polar Capillary GC Column 1 Dimethylpolysiloxane, 0.25 ID, 30mm long, 0.25pm film thickness, -50 to 350 degrees 17 Conductivity Meter 10 Range Conductivity 0 to 199.9 pS, 0 to 0 to 19.99mS, 0 to 199mS TDS 0.00 to 9.99ppm, 10.0 to 9.99pm, 1.00 to 9.99ppt, 10 to 99.9ppt Temperature -10 to 80 degrees, -10 to 100 degrees C Resolution Conductivity 0.01pS, 0.1pS, 0.01mS, 0.019mS TDS 0.019ppm, 0.1ppm, 0.01ppt, 1ppt Temperature 0.1 degrees C Accuracy Conductivity +/- 1% full scale TDS +/- 1% full scale Temperature +/- 0.5% full scale 18 Specific Gravity Meter 1 Teflon coated 316 Stainless steel probe, range 1 to 1.300 SGU resolution 0.001 SGU; 0.1 degrees C, accuracy +/- 0.003SGU; +/- 0.8 degrees C 19 De-ionisation Unit 1 Capacity 24L/Hr Complete with 30L reservoir and one set of replacement filters 20 Dew Point Meter 1 Range -25 to 75 degrees C with 0.1 degrees C resolution Relative humidity 0 to 100 with 0.1 degree resolution Air temperature -40 to 190 degrees C with 0.1 degree resolution With windows based analysis software for graphing, annotation and printing 21 Volumetric Pipettes Glass, meets ASTM standards E 542, E969, E438 Capacity 5ml, accuracy +/- 0.01ml 24 Capacity 10ml, accuracy +/- 0.02ml 24 Capacity 20ml, accuracy +/- 0.03ml 24 Capacity 25ml, accuracy +/- 0.03ml 24 Capacity 50ml, accuracy +/- 0.05ml 12 22 Silicone Pipette Filler 18 Standard three way valve, 50ml capacity 23 Beaker Graduated Polypropylene beakers with pouring spout Capacity 500ml 24 Capacity 1000ml 12 Capacity 2000ml 12 24 Volumetric Flask Complete with snap caps Capacity 250ml 4 Capacity 500ml 6 Capacity 1000ml 2 25 Round Bottom Flask Capacity 250ml with glass stopper 4 Capacity 500ml with stopper 6 Capacity 1000ml with stopper 6 26 Erlenmeyer Flask Glass, calibrated with capacity 250ml 24 Glass, calibrated with capacity 500ml 24 27 Medicine Dropper Bottles Amber coloured glass 30ml 72 60ml 36 28 Droppers For medicine dropper bottles. Glass with rubber bulb 30ml 12 60ml 12 29 Evaporating Dishes Nickel with straight sides, flat bottom with pouring spout Capacity 100ml 4 Capacity 200ml 4 30 Flash Point Tester 1 Open cup type for measuring lash and fire points of all petroleum products having an open cup flash above 79 degrees C. Complete with test flame applicator, thermometer support, brass test cup and heating plate. 115V 60Hz 31 Cork Ring Support For round bottom flask ID 45mm OD 75mm 4 ID 80mm OD 115mm 4 ID 120mm OD 155mm 2 32 Filter Paper Assorted box of 100 4 33 Turbidity Meter 1 Bench top, with infra red light source Range 0 to 1000NTU Resolution 0 to 9.99NTU - 0.01 10 to 99.9NTU - 0.1 100 to 1000NTU - 1 sample size 30ml RS 232 serial port output 34 pH Indicator Paper 20 rolls With standard dispenser and colour chart Range 1 to 14 pH 35 Measuring Cylinders Polypropylene, resists dyes and stains, chemical and heat resistant Capacity 10ml with 0.2ml divisions 10 Capacity 50ml with 1.0ml divisions 10 Capacity 100ml with 1.0ml divisions 10 36 Melting Point Apparatus Digital, temperature Range ambient to 400 degrees C, 1 resolution 0.1 degrees. Lens magnification 6x. Complete with 20 capillary tubes 37 Molecular Models Model kits and instructions for assembling various structures in skeletal form Diamond 1 Kit Graphite 1 Kit Carbon 1 Kit Sodium Chloride 1 Kit 38 Separatory Funnels Pear shape, glass, with interchangeable glass stopcork and polypropylene stopper. 50ml 5 100ml 5 250ml 5 39 pH Meter 10 Bench top, LCD display, with automatic temperature compensation Range 0 to 14pH, 0.1pH resolution, accuracy +/- 0.01pH Complete with electrode and holder 40 pH Meter Hand held, waterproof, range 0 to 14pH LCD display 10 41 Refrigerator 1 General purpose 5cu. Ft. for storing non volatile reagents and samples 42 Rotary Evaporator 2 Digital with motorised lift, LED display, with insulated shied ring to help prevent glassware breakage. Range ambient + 5 to 95 degrees C 43 Scoop Polypropylene Capacity 75ml 12 Capacity 200ml 6 44 Spatulas Nickel/Stainless Steel, 1/2" long spooned end 1 1/4" flat end 6 Nickel/Stainless Steel, 1" long flat rounded end both sides 6 45 Stirrer/Hotplate 10 Chemical resistant ceramic top 160mm x 160mm, stirring speed 1500rpm, plate temperature ~450 degrees C, stir capacity 15 litres 46 Test Tubes Medium wall glass 75mm x 10mm OD 72 100mm x 12mm OD 72 125mm x 16mm OD 72 47 Test Tube Holder/Clamp 150mm long, spring action self closing to hold test tubes up to 20mm 24 48 Test Tube Rack Plastic, to hold seventy two 13mm test tubes 2 Plastic, to hold seventy two 16mm test tubes 2 49 Thermometers Mercury filled, dual scale 405mm long, range -10 to 400 C/20 F to 750 F with 2 C/5 F scale 4 305mm long, range -20 to 110 C/0 F to 250 F with 1 C/2 F scale 4 Spirit filled single scale 300mm long, range -10 to 200 degrees C with 1 degree C scale 4 300mm long, range 20 to 400 degrees F with 2 degrees F scale 4 50 Tongs For holding 50ml to 1500ml beakers 10 51 Vacuum / Pressure Pump 1 Vacuum 20"Hg, pressure 18psi, 115V 60Hz 52 Watch Glasses Diameter 75mm 24 Diameter 90mm 12 Diameter 100mm 12 Diameter 125mm 24 53 Weighing Boats Plastic Weighing capacity 20ml 500 Weighing capacity 100ml 500 Weighing capacity 330ml 500 54 Air Dry Oven 2 For glassware, with approximate 2.5 cu ft chamber 18"x18"x13" high forced air circulation, temperature to 250 degrees C or closest. Temp. control accuracy +/- 3% of set point 16 shelf positions, Temp Display: 4 digit LED 55 Vapour Pressure Analyser 1 Performs up to 3 simultaneous tests 0-2 bar / 200kPa / 30psi vapour pressure range Ambient to 90 degrees C temperature range with 0.05 degrees C bath stability Choice of pressure unit in PSI, bar, mmHg, or kPa Automatically monitors for vapour leaks Easy-handle pressure vessels Enhanced safety and calibration features On-line test documentation via external printer Determines vapour pressure of gasoline and volatile products ASTM D 323 & D 4953, IP 69, ISO 3007 & 4256, and NF M 07 007 56 Glass Rods Rounded ends, 3mmx300mm long 30 57 Hydrometer Range 1.000 to 2.000 with 0.010 divisions. 300mm long 4 58 Gas Chromatograph 1 Column Oven Inner Volume: 14.4 L (280W x 280H X 184D mm) Temperature Range: Ambient + 4 degreesC-450 |
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