Extension of Chromatography

Chromatography And Its Other Uses

There are many ways that Chromatography is used today; one of many is, Forensics...

Forensics Science:

This can take the form of crime testing; where forensic scientist test and analyse blood, cloth or any other samples to help figure out the event or the disaster that occurred in that exact place. It could also be helpful for identifying chemicals that we used in the crime which could help to look for any foul plays; also for finding substances in the body.

Drug testing:

Testing blood is not just for the dead but can be also done for the living, a blood test for looking at illegal substances in the body is one way it is getting used today.

Food and Drinks:

Another use of it is in testing the quality of food that we eat and the substances that we drink daily. Also with that said it has debunked a crime of which vendors sold horse meat instead of other legal meat to use for selling.

Immunizations:

It was also used in immunizing people, one such event is immunizing ebola virus and the many more other deceases that we have immunised now.

Chromatography with skittles

Chromatography

The Aim of This Experiment: 

To separate colours using chromatography.

Materials needed:

• Skittles or M&Ms
• Petrie Dish or a plate
• H2o

Process and Method:

Step 1: 

Get a Petrie dish, plate or even a saucer would work just as well (coloured white or transparent will give best results)

Step 2:

Grab your Skittles or M&Ms and arrange them around the edge of the surface with an even space between.

Step 3:

Pour your liquid in, which in this experiment, water, up to approx half the size of the Skittles or M&Ms.

Step 4:

Wait for the process, which could take a few seconds to happen.

Step 5:

Observe what is occurring and how chromatography is working in this experiment/situation.

Step 6:

Hopefully, you have used drinkable water in which case you can the candy.

Conclusion:

The different colours that are in the outside of the Skittles have separeted creating this wonderful effect on the surface that you have done this experiment in. Either a Petrie dish, plate or a saucer. Observing this has taught me more about how chromatography works and how much more it could work on many other compounds out there.

Chromatography

This session in science we are starting to learn about chromatography, a technique where we separate a mixture of compounds. Currently, we are doing an experiment where we use a special type of paper in which we can put dots of colours of water-based felts and watch how they separate in conditions where the paper's tip is absorbing liquid which is H2o from the container that we've used and the dots of colours that we put in previously separates and expand their colour up to the top of the paper.

The process of doing this experiment is not as time-consuming as some other ones that we have been doing; merely taking a couple of minutes to complete and for it to operate properly. Not only that, but it doesn't need much equipment to do.
Materials include:

• Filter paper
• Water
• Cup
• Felt pens (Water-based)

Step 1:

Start off with a normal sized cup approx, 8.5 cm in length.

Step 2:

Cut out the filter paper into 4 by 10cm.

Step 3: 

Measure 2cm from the top of the paper crosswise and mark out with a pencil.

Step 4:

On the opposite side, measure in 1cm crosswise also with a pencil.

Step 5:

Use 3 kinds of colour of your choice water-based felts and mark them with the same space in between.

Step 6:

Finally, observe the reaction and separation of the compounds.

What I've observed:

In the colours that I've used, black, red and green. My observation is that green, which is a secondary colour has separated into its primary colour, which we know consist of yellow and blue. the next colour red has only gotten paler, turning from red to pink as it rose up from its original placement.

Lastly, the black has seemingly turned into a mixture of both of the other colours.

Filtering process

Our Aim: To make a filtration plant using household materials.

Water Filtration Plant

What is filtration?

Filtration is separating solids from liquids by adding a medium through which only the liquid can pass. 

Examples are:

1. Coffee Grounds or beans 
2.  Water Purifier
3.  Tea Bags
4. Aquarium filters

Materials

1.A bottle top

2.The bottom of the bottle

3. Rocks

4. Elastic band

5. Coarse sand

6. Fine Sand

7.  Coffee filter

8. Dirty Water

Here is the process

Step 1

Cut the bottle in half.

Step 2

Put the top half upside down and into the other half of the bottle.

STEP 3

Add layers of  first the coffee filter which will be held in place by the elastic band, then the fine sand, the coarse sand and finally, the stones

STEP 4

Get 1 cup of dirty water.

Step 5

Pour dirty water into our homemade filter.

STEP 6

Observe the experiment and look at what is happening with the water and the filter.

Measurements

The water has been going quite rapidly.

The filter as we could see has taken off the big chunks of specks of dirt.

The colour of the water looks almost exactly the same as when it came it, however, there are less grime and muck.

In conclusion, the filter has worked reasonably well; it has filtered the water well though not well enough to drink of course. 

We have learnt more about how filtering works and its uses throughout the world.

The experiment has been successful and has done what we have a hypothesise.

Warning

Make sure that an adult cuts the bottle in half. This water filter is just an experiment and should not be used for drinking water.

Avoid using charcoal briquets, as these can contain chemicals you don't want in your water. Use the activated carbon for water purifiers instead.

Chemical Reactions

After finishing Task 1(the previous blog post that contained the 10 compounds task) We then moved on to Task 2. Where we needed to find 5 different mixture using the compounds that we previously had; however the mixture would have had to create a reaction to which it could make a new compound. It was quite interesting looking and trying to find a mixture which would have a reaction. Though thankfully the task was completed, here are the results.

Compounds and Chemicals

For the last couple of weeks; we have been learning about what compounds and the chemicals that make and create them in our science module classes. We then were tasked to name some of the chemicals that make the 10 compounds assigned to us by our teachers. The task was done by either yourselves or a pair; completing the task was quite fun and enlightening as for we didn't know many of the chemicals that we just found out about.
Here are the completed 10 compounds task that was given to us.

"Brotherhood" Stop Motion Film

Term 1 of this year we have been looking at doing stop motion films, a genre in which motion is created by taking a picture of an object for every frame. Our wanted outcome is for it to be at least 20 secs long or longer. My group's (Vann, u may know because for most of the group work that I do he is almost always there) story is coming together quite well; so are the character designs and the cinematography of our film. The style and some of the characters are somewhat influenced by a few characters from other movies, films, even animes but mostly by Roald Dahl and Quintin Blake. A brief outline of our story is, a strange, peculiar man is chased by someone or something, which we later found out a bit more of who they really are...

However, we do have just a tiny bit of a problem. We are doing a kind of no voice film, so thinking of what we put in the script is a small problem, nonetheless, it could be overcome, in which I think we are on the right track.
Yet, even if the screenplay is not quite finished I am happy and glad to say that our storyboard is. (Storyboard is a type of plan where you illustrate what will happen in your film) We are quite happy with the results, though it is a bit messy... So far that is what we have done with the time that we were given for the last week and this week of working on it.

Preview: Screenplay

Preview: Storyboard

A Brief History Of The: "Treaty of Waitangi"

The 6th of February 2019 marks the 45th year since Waitangi Day has been celebrated as a public holiday, we know it's about the "Treaty of Waitangi"; however do you know it's full history, the culture and the liberty that we gained during those times?

This week in our reading we started to learn more about what Waitangi Day and it's importance to New Zealand. We read some articles about it and the different parts and details that happened around a century ago. Our class then had to work on some questions and tasks all about what we've read; most of them including a summary and some multiple answers questions. It was an enlightening moment; now I am proud to say that I at least know a small brief history of New Zealand.

Here is my brief understanding of what happened during those times...