[znaes97]

Hello all,
I have to heat a proprietary chemical to 200°F in the lab. Once the solution gets up to ~160°F, the beaker starts 'jumping' on the hot plate to the point it almost fell off. The beaker is boro 3.3 and the hot plate is bigger than the beaker. What causes the beaker to bounce around like that and how can I avoid it/minimize it? If necessary, I can find something to hold it and keep it stable, but that's not an ideal solution. Thanks in advance

[Hunter2]

What kind of chemical you try to heat up. At the bottom you will have more hot temperature and your chemical get boiled, what gives steam bubbles which will shocks to the beaker.  To avoid: 3 Methodes
1. use boiling stones,
2. use stirring or
3. use bigger pot with oil and immerse your flask with the chemical into it.

[znaes97]

What kind of chemical you try to heat up. At the bottom you will have more hot temperature and your chemical get boiled, what gives steam bubbles which will shocks to the beaker.  To avoid: 3 Methodes
1. use boiling stones,
2. use stirring or
3. use bigger pot with oil and immerse your flask with the chemical into it.

The chemical is a manganese phosphate steel plating chemical. We are having issues with it on our processing line, so I am trying to figure out the problem on a smaller scale before making any changes to the 200gallon tank. Can you expand on Method 3? Method 2 seems to be the easiest solutions, but I am curious to know more about Method 3.

[Hunter2]

]https://upload.wikimedia.org/wikipedia/commons/a/a3/Oilbath.JPG]

[Borek]

What is the solvent in your solution? What is its boiling point? Is it lower, or higher than 160 °F?

For the reference, if it is a water based bath it shouldn't boil below 212 °F (actually it should boil higher due to the bp elevation, from what I am reading phosphatizing baths are far from being diluted).