Procurement Section Tender 2011/177 Chemistry Department Laboratory Equipment # 1 2 3 4 5 6 7 8 DESCRIPTION Standard Hot Plate Stirrers , Aluminum top plates , chemical-resistant. TOP PLATE: ALUMINIUM , top plate dimensions 25.4 x 25.4 cm Maximum Capacity (H2O): 6000ML . TEMPERATURE RANGE: Ambient +5 to 400°C / temp. stability: ±2% . speed range: 60 to 1600 rpm . QTY 3 Digital Melting Point Apparatus for Students Up to 3 samples.Technical Data: Measurement range: 50 to 260 °C Resolution: 0.1 °C Accuracy: ± 0.5 °C (< 200 °C) ± 0.8 °C (> 200 °C) Reproducibility: 0.2 °C Light: 4 x LED pH Meter with refillable combination pH Electrode. for educational applications. pH and temperature measurements quickstart guide, three-point calibration, including 4 and 7 buffer solutions 500ml each. VIS spectrophotometer - for education Wavelength ranges: 320 - 1000 nm In-built wavelength calibration Automatic O%T setting during all calibration routines Dual display - wavelength & photometric result Digital wavelength selector Rectangualar cell holder cells 1cm. including 2 glass cells and 2 quartz cell. Water Bath - Tank volume:22- 30 liters, emperature range: +5°C to 80°C, Temperature set and reading sensitivity: 0.1°C, Internal and external water circulation pump Digital display for temperature and time, Internal material: Stainlesssteel, External material: Epoxy-polyester painted steel,Safety water level pulp with alarm . Centrifuge , Speed RANGE ;250–6000 rpm, adjustable in increments of 250 rpm capacity : 12 x [ 15ML ]tubes Door lock and safety protected lid TIMER :1–30 minutes or continuous . fixed-angle rotor that holds twelve 15mL tubes . analytical balance , with capacity: 220g , Readout d: 0.1mg . Linearity:± 0,2 mg . Display type LCD Weighing units g, mg, Casing material : metal Draught guard material : glass Topload balance, maximum capacity 1000g, Readout 0.01g, 220V. 1 1 2 1 1 1 1 2