Users

diji_smleason-first-10-010 Users & Testimonials

Monash University

Faculty of Science workplace health, safety and environment award 2008
On behalf of the Dean and other members of the selection committee I am pleased to announce that the Faculty of Science Workplace Health, Safety and Environment Award for 2008 has been jointly awarded to the following;

Staff in first year chemistry
(Phil Andrews, Miranda Phelan, Waldo Correa, Sania Jalal)

Presently students rely heavily on the use of burettes and bulb pipettes for the purposes of titration and preparation of a number of solutions. There are number of inherent problems with these items: breakages resulting in lacerations, students of diminutive stature filling burettes above eye level which has the potential for injury from spills and bulb pipettes being over filled and contaminated. Replacing burettes and bulb pipettes with ‘diji’ instruments will reduce the risk of injury by eliminating the potential for eye injury, the possibility of sucking liquids into pipette controllers and the risk of breakages when attaching controllers while allowing students to dispense far more precisely.

Having trialled 10 of the units with students for six months, Monash purchased 150 units with funds from this award, for use during practical classes. Monash later trialled the new Buretta and ordered 50 units.

Kingsway School

In the practicals I found the Dijis to be far superior to normal pi-pumps. In titrations, students have a lot to learn in a relatively short period of time. They must master a number of techniques which they have not been exposed to previously. The diji pipettes are so easy to use, they take one little problem away and hence end up making titrations easier to perform accurately. This ultimately results in higher marks and happier students!”

Dr Peter H Ferrar,
HOD Science, KingsWay School

Science Technician

“On diji’s, (…from a skeptic- even after working in a research lab and seeing a hand stabbed with a glass pipette that had snapped), the real tester came when we did the NCEA titration exams! No dripping, chipping, very safe and very accurate. The students quickly learnt how to use them and results were good! Good bye to the slow, frustrating leaks, or after a few uses, the pipette slipping out of the filler. No more a skeptic, we have changed to diji pipettes when stocking new labs.”

Marlene Goedhardt,
Science Technician.

Massey High School

We love the diji pipettes. The students find them easy to use and in our Year 13 internal assessment 90% of students were able to titrate to an excellence standard. I’m not sure this result would have been obtained from bulb pipettes.

We have had one breakage in 2 years of using them and when we have the odd problem they are easy to fix.

We no longer use bulb pipettes and all our seniors (5 classes) use dijis. The accuracy the students get from a diji is higher than bulb pipettes and they are much more robust in a classroom environment. I love diji’s, they have made 2.2 and 3.2 internal assessments much more manageable. Cost- wise, as bulb pipettes often break, plus you need the fillers, diji’s are more economical long term.

Chemistry teacher
Massey High School

Hamilton Christian School

“ diji are great, we are really pleased with them – accurate – easier. The deputy principal couldn’t believe the quality of the titration work. We have 25 ml., very robust. A great invention; more than happy to recommend them”

Paul Walker – chemistry teacher,
Hamilton Christian School

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