Employment: Are there any standards or recommendations regarding the number of hours a lab technician should be employed?
Safe concentration of HCl for Year 8 students to use?: A year 8 textbook has an activity which includes an example for a colour change (blue litmus paper with HCl added to it).
Balloons: I haven't heard of any issues but we have a parent who is concerned with regards to balloons and latex and the powder residue in them.
Third party Safety Data Sheets (SDSs): Can you clarify the requirement for a manufacturer's SDSs versus a third party SDSs?
Copper Sulfate Crystals: Is there a way to re-use copper (II) sulfate crystals to make another saturated solution?
Autoclaving disposable Petri dishes: How do you use a biohazard bag and can plastic disposable Petri dishes be autoclaved in them?
SDS for non-hazardous chemicals: Do my suppliers need to supply me with a SDS for a non hazardous chemical if I ask for it?
Labelling of solutions: This may have been asked before but do diluted solutions of chemicals need to be labeled with the new GHS and if so, do the ones that I have now have to be re-labeled or is
Labelling silver nitrate and silver nitrate solutions: I am labeling some Silver nitrate solution with Gold FFX and saw that it doesn't come up with any Pictograms but says it is harmful to aquatic
Science ASSIST resources and copyright: Are we permitted to copy paste and edit for our particular school, the SOPs on Science Assist?