Search found 60 matches
- 07 Feb 2007, 12:40
- Forum: Safety with Chemicals
- Topic: Chemical Store Room
- Replies: 13
- Views: 5233
Hi the shelves here in the chemical store are 900mm[W] x450mm[D] made of a very dense particle board with a timber face. Some of the shelves are damaged from corrosive attack and designated for replacement. To limit further damage I am using old McDonalds customer trays, I figure if they meet there ...
- 24 Oct 2006, 13:47
- Forum: Chemistry and Labware - General
- Topic: Stock HCl solution?
- Replies: 15
- Views: 5166
Hi Ian standardised solutions should be checked prior to there use and then every fortnight standardise NaOH solutions against potasium hydrogen pthalate dried @ 110 O C for 2/3 hrs a known weight of 0.5 - 0.7g --> should give a titration of approx 25ml for a 0.1M NaOH phenolphthalein indicator this...
- 24 Oct 2006, 11:43
- Forum: Biology, Physics...
- Topic: WEB SITE FOR SIMPLE ENZYME EXPERIMENTS
- Replies: 4
- Views: 2989
- 24 Oct 2006, 11:40
- Forum: Chemistry and Labware - General
- Topic: Stock HCl solution?
- Replies: 15
- Views: 5166
- 24 Oct 2006, 11:26
- Forum: Chemistry and Labware - General
- Topic: Light Scattering Experiment
- Replies: 2
- Views: 1853
Hi Lizzie some years ago I made a 'demo model' using a glass jar that was narrow but wide[ it needs to be quite retangular in shape] and about 1litre I dissolved a very small amount of sulfur in ethanol/or methanol?? then dilute this in water in the jar, this formed a colloidal suspension that when ...
- 19 Oct 2006, 14:19
- Forum: Sourcing Materials & Eq Repairs
- Topic: JUNKET TABLETS Not available Yr 12 enzyme prac
- Replies: 3
- Views: 2549
JUNKET TABLETS Not available Yr 12 enzyme prac
Hi to all you may notice that it will be very difficult to purchase junket tablets, the major supermarket chains no longer carry this line of product as a result the company is no longer producing the tablets However due to the constant inquiries from customers, including from schools requiring junk...
- 18 Oct 2006, 12:49
- Forum: Biology, Physics...
- Topic: enzyme experiment Yr. 12
- Replies: 32
- Views: 11833
Hi Mother, the biology teachers[3] are about to do this prac with potatos as they have without any problems for many years the students cut small pieces with the largest cork borer and then take 0.5, 1.0, 2.0 cm slices to use i make fresh 3% peroxide solution, diluting fresh 6% then they follow the ...
- 17 Oct 2006, 11:26
- Forum: Chemistry and Labware - General
- Topic: Chemical disposal
- Replies: 8
- Views: 4386
- 29 Sep 2006, 09:36
- Forum: Biology, Physics...
- Topic: Earth and Environment HELP
- Replies: 2
- Views: 2044
- 27 Sep 2006, 09:05
- Forum: Biology, Physics...
- Topic: Earth and Environment HELP
- Replies: 2
- Views: 2044
Earth and Environment HELP
Hi to all
and a big ask
Science is adding Earth & Environment Yr11-12 as a course next year and it's been a few years so
are there any interesting, different & creative pracs that work well for this subject
THANK YOU
juliem
and a big ask
Science is adding Earth & Environment Yr11-12 as a course next year and it's been a few years so
are there any interesting, different & creative pracs that work well for this subject
THANK YOU
juliem
- 27 Sep 2006, 08:54
- Forum: Chemistry and Labware - General
- Topic: removing stopcock from sep funnel
- Replies: 6
- Views: 3147
- 22 Sep 2006, 14:47
- Forum: Miscellaneous
- Topic: global warming/environment
- Replies: 7
- Views: 3921
- 21 Sep 2006, 15:00
- Forum: Miscellaneous
- Topic: global warming/environment
- Replies: 7
- Views: 3921
Hi Rainbow-sky no i haven't seen the doc but i didwatch the Andrew Denton interview with Al Gore and as to the inspiring the school staff and students optomisim comes in short supply have you a copy of the DET Water Quality HSC Chemistry disc can be supplied from kathy.driscoll@sca.nsw.gov.au she is...
- 19 Sep 2006, 14:13
- Forum: Chemistry and Labware - General
- Topic: Purple agar jelly
- Replies: 9
- Views: 3866
Hi Lorrae like you I managed to have 4 trays 'dissapear' on me - 3 classes - not enough 0.1m NaOH - I made them in aluminium trays which reacted with the alkaline gel so now I definately use plastic very clean well rinsed trays and a different recipe hope this helps 450ml deionised water heat to abo...
- 19 Sep 2006, 12:13
- Forum: Safety with Chemicals
- Topic: Chemical Register
- Replies: 7
- Views: 3567
Hi Robbie You can manipulate the inventory in many ways depending on what type of print out you wish to start after completing the inventory and calling it CStore??? MAKE A COPY - from experience you do not want to stuff around playing with the original open the copy and from the interface select th...
- 04 Sep 2006, 14:28
- Forum: Chemistry and Labware - General
- Topic: artificial crude oil
- Replies: 2
- Views: 1860
Hi Carol
can you elaborate on why you need crude oil and what type of crude oil it should be ie petroleum or some other type
regards juliem
try this site for limited info help
http://www.greenhouse.gov.au/lgmodules/ ... ning7.html
can you elaborate on why you need crude oil and what type of crude oil it should be ie petroleum or some other type
regards juliem
try this site for limited info help
http://www.greenhouse.gov.au/lgmodules/ ... ning7.html
- 04 Sep 2006, 14:09
- Forum: Safety with Chemicals
- Topic: FUME CUPBOARD
- Replies: 4
- Views: 2913
Hi Sandra The science faculty had a new fume cupboard installed last year by Kemproof Industries Pty Ltd it took a while but they eventually came back to certify the unit checking airflow , gas and power, the certification sticker is attached to the front shield There contact is ph (02)9982 4311 or ...
- 04 Sep 2006, 13:58
- Forum: Biology, Physics...
- Topic: reptile license
- Replies: 2
- Views: 1903
- 29 Aug 2006, 13:16
- Forum: Miscellaneous
- Topic: Another Luminol Experiment
- Replies: 3
- Views: 2371
- 29 Aug 2006, 12:59
- Forum: Safety with Chemicals
- Topic: Chem Watch or Chem Alert
- Replies: 5
- Views: 3015
Hi Sam
my school email address is
julie.a.marshall@education.nsw.gov.au
the private message didn't arrive
regards juliem
my school email address is
julie.a.marshall@education.nsw.gov.au
the private message didn't arrive
regards juliem