Search found 310 matches

by kimmy
28 Jul 2020, 14:47
Forum: Biology, Physics...
Topic: Phenolphthalein Agar
Replies: 145
Views: 26403

Re: Phenolphthalein Agar

Labbie wrote:
28 Jul 2020, 14:01
That's a great idea Kimmy
yes when i read it i thought, wow what a great idea.
by kimmy
28 Jul 2020, 13:47
Forum: Biology, Physics...
Topic: Phenolphthalein Agar
Replies: 145
Views: 26403

Re: Phenolphthalein Agar

i know this is a old old post but i have just came across a great idea of how to prepare the squares for the diffusion experiment.
K mart have silicone ice-cube molds that are perfect for the 3cm square cubes then students can cut another one down to get a 2cm square and 1cm square.
by kimmy
28 Jul 2020, 08:49
Forum: Recipes and Pracs
Topic: Melting Phenolphthalein Agar
Replies: 7
Views: 557

Re: Melting Phenolphthalein Agar

This is also a way that you can do the diffusion Agar 1. Measure out 1.6 g of agar-agar and 200 ml water. Mix them together with a whisk or fork in a large microwave-safe bowl. 2. Heat the solution in the microwave on high for 30 seconds. Remove to a heat-safe surface using a hot pad or oven mitts, ...
by kimmy
01 Jul 2020, 08:50
Forum: Chemistry and Labware - General
Topic: Plastic dropper bottles
Replies: 6
Views: 1000

Re: Plastic dropper bottles

We use a mixture of both glass and plastic dropper bottles. The only chemical that is a must for me with the amber glass bottles is Silver Nitrate and Iodine Solutions. '
I have got my plastic bottles from both MTA and Westlab.
by kimmy
29 Jun 2020, 13:28
Forum: Recipes and Pracs
Topic: Potassium Iodide
Replies: 6
Views: 401

Re: Potassium Iodide

maybe it is Iodine (Potassium Iodide)
by kimmy
24 Jun 2020, 11:04
Forum: Recipes and Pracs
Topic: blood- splatter and skin safe
Replies: 4
Views: 405

Re: blood- splatter and skin safe

Fake Blood Recipe

175 g Cornflour
75 ml Water
175 ml Golden Syrup
Red food colouring
Green food colouring

Mix cornflour and water
Add golden syrup
Add the red and green food colouring (you will need to play around with quantities or these until you get the desired colour).
by kimmy
23 Jun 2020, 11:51
Forum: Recipes and Pracs
Topic: Esters
Replies: 7
Views: 363

Re: Esters

My question to that Kimmy is, has anyone been able to source the decanoic acid? I'm either having a bad senior moment or I am just useless, but none of my regular suppliers have this... :crazy: :crazy: :crazy: Mine is older stock but still fine to use. I think it came from either Chem Supply or Ser...
by kimmy
22 Jun 2020, 13:21
Forum: Recipes and Pracs
Topic: Esters
Replies: 7
Views: 363

Esters

Our Senior chemistry are doing the Preparing artificial fragrances and flavours experiment.
Has anyone made the salicylic acid or the decanoic acid stock solution.

Any recipes would be great - thanks in advance.

:?: :?: :?:
by kimmy
15 Jun 2020, 11:06
Forum: The Lab Tech Position
Topic: What is the name of your roles
Replies: 12
Views: 1387

Re: What is the name of your roles

i go under so many different name but basically as far as i am concerned i am simple the Science Assistant. On all paper work to do with the school i am a SAO (School admin Assistant). Some days when making up electrical wires etc i feel like i am a electrician, than the next day making Agar Plates ...
by kimmy
05 Jun 2020, 09:34
Forum: Miscellaneous
Topic: Policies
Replies: 7
Views: 526

Re: Policies

Never heard of a Dissection Policy?
Have any other schools got one of these?
by kimmy
01 Jun 2020, 11:36
Forum: Miscellaneous
Topic: Anniversary
Replies: 6
Views: 636

Re: Anniversary

Have learnt so much from all the wonderful members.
by kimmy
01 Jun 2020, 08:59
Forum: Miscellaneous
Topic: Anniversary
Replies: 6
Views: 636

Re: Anniversary

Happy Anniversary to me today.
Joined on 1st June 2006.

Thanks for all the advice and great quick tips that we have all shared over the years.
by kimmy
25 May 2020, 11:09
Forum: Chemistry and Labware - General
Topic: supplies
Replies: 1
Views: 622

supplies

I am not sure where i got this from, or who sent it to me but it is great. :clap3: Iv added a few of the suppliers we use here to the list also. It is just a simple spreadsheet with names of suppliers and what they sell and contact details. Thank you who ever gave me the original of this, but i just...
by kimmy
03 Apr 2020, 13:44
Forum: Recipes and Pracs
Topic: Home Experiments
Replies: 4
Views: 2590

Re: Home Experiments

Endoterm reaction using citric acid, Acid base indicator using red cabbage, spaghetti, bicarbonate & lemon, bouncing ball using raw egg & vinegar, etc most of our kids would not have this stuff at home and we are trying to work on some simple experiments that kids will have the stuff at home for. I...
by kimmy
01 Apr 2020, 10:35
Forum: Recipes and Pracs
Topic: Home Experiments
Replies: 4
Views: 2590

Home Experiments

Now most of us are down to only a few students turning up at actual school and google classrooms now is what seems to be happening. We had our video link up science meeting this morning and i mentioned we need to actually get the kids off the computer for a bit. All lessons are basically now compute...