Catégories : Tous - environmental - testing - sampling - mechanical

par Tim Pillinger Il y a 16 années

607

OCR - Sampling and testing

The text outlines various scientific and laboratory procedures, ranging from environmental testing to the creation of everyday materials. It covers the importance of sampling techniques, emphasizing the need for representative and properly stored samples to ensure accurate results.

OCR - Sampling and testing

Sampling and testing

Practicals Possible

Making/Distilling perfume
Geological testing
Extracting metals
Metal content
Link to usefulness of minerals
Crystalline structure
Reactivity
Microscope tests
Forensic

fibre comparison

Bodily fluids
Recycling of paper
Making fertilisers to fit certain requirements
Quality control sampling at Allied bakeries
Testing Antacids
Making a circuit board
identify good etching solutions?
Making Asprin
Urine testing for medical or athletic purposes?
Making materials
Making concrete, making cement
Making glass
Making borax silly putty

elasticity

Making Nylon
Environmental testing
Organisms in water
Weather

Temperature

Heavy metals
Waterbourne nitrates
pH

Soil

Rain

Pathlab?
Kevlar Case study
Mechanical Properties
Density
Mass
Breaking strain
Stretch
Testing suncream
UV Opacity
Testing food
Toxins

What Killed John Franklin?

Vitamin C
Fat
Reducing sugars
Starch
Microbes
Testing ice core samples
Minerals
Acidity
CO2

Processing

Evaluating a process
test against spec
ID a suitable process
Processing materials in the lab
SAFETY
carry out fairly independently

Sampling

Taking the samples
Clean and dispose of equipment in a correct manner
Corret method/equipment
SAFELY!!!

Be able to produce a risk assessment

storage of samples
How do I need to store my samples if the storage is not to alter my results?
How will storage affect samples?
Representative samples
Where and when should I take samples?
Is the source homogenous?
how many samples do I need to reflect what is here?
Requirements of sampling
Why are we sampling?

Testing

evaluating results of a test
Evaluation the quality of the test
concluding
Recording results
Statistical prcessing

graphs

Appropriate relations

Devising a suitable test
Validity
Precision
Reliability
Following a standard procedure
Risk assessment
Chemical testing
Crushing
Making a microscope slide