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GCSE OCR B 21st Century

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Sodium Hydroxide Pearl Tech
Sodium Metal in Liquid Paraffin
Sodium Thiosulphate 5 Water
Solar Cell - 200mA
Solar Cell - 400mA
Solar Cell - 800mA
Solenoid OHP Field Pattern Model
Spreaders, L-Shape - Sterile
Square section flexible tubing, (1 metre)
Square section flexible tubing, (10 m)
Square section high pressure tubing (1 metre)
Square section high pressure tubing (5 metre)
Stage Micrometer - Basic - 1mm/0.01mm
Standard Bunsen Burner - 13mm
Tall Form Beakers - Standard - 600ml
Starch Soluble (Potato)
Starch/iodide
Stearic Acid
Calorimeter Block, Steel
Sterile Inoculating Loops
Sterile Swabs
Still Head - Standard - 19/26 - 19/26 - 14/23
Stirring Rod with Paddle - Glass - 150mm
Stopper no.11 1 hole
Solid Rubber Stopper - 15 x 18mm
Solid Rubber Stopper - 21 x 24.5mm
Rubber Stopper 1 Hole - 23 x 26.5mm
Stopper no.31 2 hole
String, 2mm Dia.
Sulphuric Acid 1M (2N)
Sulphuric Acid 96-98%
Superwool 607 - Mineral Wool
PSU Base Modular Electricity Components Switch - 3-Way/Changeover (SPDT)
PSU Base Modular Electricity Components Switch - Push Type (SPST)
PSU Base Modular Electricity Components Switch - Reed, With Small Magnet
PSU Base Modular Electricity Components Switch - Toggle (SPST)
Syringe holder

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Test Tube Brush - Nylon - For tube dia. 10 - 12mm
Tape Measure 20m
Test Tube - Polystyrene - 75 x 12mm - 0.6 mm wall
Test tubes - samco 50 mw 100x16mm
Test Tube - SAMCO 50 - 125 x 16mm - 1.2mm Wall
Test Tube - SAMCO 50 - 150 x 24mm - 1.2mm Wall
PSU Base Modular Electricity Components Thermistor (Thermal resistor) 300 Ohm
LO-TOX Thermometer (-10 to 110 x 1.0) - Total Immersion
Thermometer lo-tox -10 to 210
LO-TOX Thermometer (-10 to 300 x 1.0) Partial Immersion
ECO-Therm Thermometer (-10 to + 150 x 1.0) - Total Immersion
Breckland Scientific