Search found 47 matches

by celia1
19 Dec 2022, 10:16
Forum: Miscellaneous
Topic: Xmas
Replies: 0
Views: 2317

Xmas

Hi Veryone we comining to a end, Merry Xmas and a very happy New Year to all,and have a great break
by celia1
02 Dec 2021, 10:16
Forum: Recipes and Pracs
Topic: iron lll nitrate nonahydrate
Replies: 6
Views: 1758

Re: iron lll nitrate nonahydrate

thanks for your help one of the chemistry teacher told me both concentrations should be colourless
maybe i just add more nitric acid and see what happens
by celia1
01 Dec 2021, 09:58
Forum: Recipes and Pracs
Topic: iron lll nitrate nonahydrate
Replies: 6
Views: 1758

Re: iron lll nitrate nonahydrate

thank you , for your reply
How do you do your 0.002mol ?
i do mine in 100ml at the time , wondering if there is a easy quicker way
by celia1
30 Nov 2021, 12:13
Forum: Recipes and Pracs
Topic: iron lll nitrate nonahydrate
Replies: 6
Views: 1758

iron lll nitrate nonahydrate

Hi every one i need help please
I need to make 0.2 Mol of Iron lll nitrate for a yr. 12 chemistry exp:
using colorimetry to determine equilibrium constant
has anyone done this concentration ,how much nitric acid we put in and what molar also do you now if it will be colourless ?
Thanks
by celia1
14 Aug 2019, 14:39
Forum: Recipes and Pracs
Topic: Open Day Ideas
Replies: 87
Views: 50977

Re: Open Day Ideas

Hi Merilyn, Could you email me a copy if possible our open night is tomorrow and I need new ideas.
thanks so much
celia.batista@det.nsw.edu.au
thanks again
Celia1
by celia1
07 Dec 2018, 10:25
Forum: Chemistry and Labware - General
Topic: Ph Meters
Replies: 2
Views: 4073

Ph Meters

Hi could anyone suggest or use in their school a good but not complicated Ph meter that's wireless and can be connect to iPhone that doesn't need calibration,
Thanks in advance ,Celia1
by celia1
15 Oct 2018, 12:26
Forum: Announcements
Topic: Welcome back everyone to chemtalk
Replies: 26
Views: 18670

Re: Welcome back everyone to chemtalk

HURRAY ! Thanks WestLab
by celia1
28 Apr 2016, 12:01
Forum: Announcements
Topic: Long Service Leave Position
Replies: 0
Views: 1508

Long Service Leave Position

Hi everyone i am looking for someone or someone knows of someone interested in doing a Long Service leave Position from the 27 of June to 26 of August 2016. At Fort Street High School ,Petersham Contact Head Teacher Brian Webb On 02)8585 1600 ext 618 It's a 5 day job and maybe possibility to work a ...
by celia1
19 Jun 2013, 13:23
Forum: Sourcing Materials & Eq Repairs
Topic: Fixing slinkies?
Replies: 11
Views: 5020

Re: Fixing slinkies?

it can be fix. i have fix a few but you need two people .
i asked one of the teacher on a free period ,it work well.
by celia1
16 Aug 2012, 11:41
Forum: Announcements
Topic: new power packs
Replies: 8
Views: 4044

Re: new power packs

thanks for your suggestions i also keep them in the boxs them came in ,but they wont last forever and teachers say they can;t be sure if students have return power pack . i was thinking maybe finding a plastic container thats clear to store them the problem is to find the rigth size.
Celia
by celia1
10 Aug 2012, 11:28
Forum: Announcements
Topic: new power packs
Replies: 8
Views: 4044

new power packs

Hi every one we have new power packs with separated cords and i am looking for suggestions to store them in the lab and keep cord together so they dont disapear.
How do you store your power packs?

thanks in advance or all good ideas.

celia
by celia1
24 May 2012, 13:00
Forum: Chemistry and Labware - General
Topic: Stuffed Agar
Replies: 6
Views: 2791

Re: Stuffed Agar

hi ,
i use nutrient Agar add it when water about to boil ,let it boil for abit and let Agar cool down for 5 minuts before pouring to petri dish it works well.
also i only give 11 Agar plates per class 10 for student groups and 1 for T. control

Celia
by celia1
18 May 2012, 14:46
Forum: Chemistry and Labware - General
Topic: AUDit Time
Replies: 5
Views: 2335

Re: AUDit Time

i dont know,
thanks any way
Celia
by celia1
17 May 2012, 13:31
Forum: Chemistry and Labware - General
Topic: AUDit Time
Replies: 5
Views: 2335

AUDit Time

hi all
my school will be audit in a few weeks.
Msds is updated, stock take from last year.
Any more information i should know ?
Thanks in advance for extra piece of info.
Celia1
by celia1
19 May 2010, 15:02
Forum: Chemistry and Labware - General
Topic: STELR
Replies: 21
Views: 9710

Re: STELR

At Fort Street high a Couple of teacher went to STELR

We still have not received any thing

Celia
by celia1
03 May 2010, 08:44
Forum: Miscellaneous
Topic: LCD DATA PROJECTOR
Replies: 2
Views: 1740

LCD DATA PROJECTOR

HI everyone
I was wondering if anyone have LCD data projector over the white board and are required to stand on leader and clean the air filter.
i was asked to do it at least has to be done once a month.
Where does OHS feet into this.

Celia1
by celia1
25 Sep 2009, 14:49
Forum: Miscellaneous
Topic: Holidays - Yay!
Replies: 31
Views: 9752

Re: Holidays - Yay!

Well ; I am doing something exciting ,and having whole term 4 off :crazy:

I am having a hip replacement in the hollidays :yuck:

So have a great holiday every one

Celia1 :cry2: :cry2: :cry2: :cry2:
by celia1
25 Aug 2009, 12:59
Forum: Announcements
Topic: For St Mary's Conference Organisers - Re: Chemwatch
Replies: 11
Views: 3389

Re: For St Mary's Conference Organisers - Re: Chemwatch

Hi ,to all speaking off chem watch, i have just finished my chemical stock take and re -organising the chem stores into sections and class .I have notice that some chemicals that have no class in chemical safety in schools which is used by all teacher have a class in chem watch eg:lead nitrate,methy...
by celia1
28 Oct 2008, 13:00
Forum: Safety with Chemicals
Topic: Non Dangerous Chemical storage
Replies: 10
Views: 3565

Re: Non Dangerous Chemical storage

Thanks for the feed back .

celia and also like the humorous participation