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Orders are normally dispatched within 1 to 3 business days. Goods are shipped by New Zealand Post or by local courier, depending upon the location, with a delivery expectation of 1 to 3 business days. We will email dispatch confirmation and tracking details.
We are happy to supply orders from outside Australia and New Zealand. Orders will be dispatched by International Air which has delivery expectations of 3-21 business days depending upon your location.
We offer a 14-day inspection with freepost return on all printed products.
Please be aware that we cannot offer an approval period or accept returns on digital resources, so orders for these resources are final.
Credit Card - Pay securely with Visa or Mastercard when you check out.
Invoice your school - Select your school when you check out. You will need a school order number.
|Important note: Health and safety disclaimer||4|
|1. The nature of forensic science||6|
|The scientist as an expert witness||6|
|How reliable is forensic evidence?||7|
|Find out more||9|
|Useful web links||9|
|2. Lights on or off?||11|
|Activity: Performing a lamp examination||15|
|Activity: The role of inert gas in protecting the filament||16|
|Find out more 18Useful web links||18|
|3. Hidden numbers||19|
|Activity: Restoring serial numbers by acid etching||21|
|Activity: Stamped serial number restoration by heat treatment||23|
|Find out more||24|
|Useful web links||24|
|4. Glass fracture patterns||25|
|Activity: Impact testing||28|
|Find out more||29|
|5. A spectrum of possibilities||30|
|Activity: Building a Lego spectrophotometer||34|
|Activity: Analysis of food colourings||38|
|Find out more||40|
|6. Thin-layer chromatography||41|
|Activity: Making sample applicators||43|
|Activity: Making TLC plates||44|
|Activity: Applying samples, developing the TLC plates and visualisation||45|
|Find out more||46|
|7. Poisons, medicines and drugs||47|
|Activity: Spot tests||54|
|Activity: Thin-layer chromatography with common medicines||55|
|Activity: Making oil of wintergreen||57|
|Activity: Extracting caffeine from tea||58|
|Find out more||59|
|8. Don't play with matches||60|
|Activity: Using steam distillation to collect ignitable liquids||63|
|Activity: Analysing the distillate by thin-layer chromatography||65|
|Find out more||67|