Search found 2 matches
- 22 Feb 2019, 08:16
- Forum: Chemistry and Labware - General
- Topic: cheap faulty gauze mats
- Replies: 6
- Views: 7686
Re: cheap faulty gauze mats
hi, i ordered some from science supply. we had the same problem. uneven heating causing black bases and breakages. so i covered one side of the wiregauzes with double layer of Aluminium foil. We have had one class use them so far and we had no breakage or black bases. I am waiting for other classes ...
- 17 Oct 2018, 09:30
- Forum: Chemistry and Labware - General
- Topic: Ammonium thiocyanate
- Replies: 6
- Views: 6801
Re: Ammonium thiocyanate
ammonium thiocyanate ;MW= 76.12g. To make 1 litre of 0.5 M solution, dissolve 38.06g in water.