• Welcome to Photrio!
    Registration is fast and free. Join today to unlock search, see fewer ads, and access all forum features.
    Click here to sign up

Is this potassium bromide ruined?

Trey

Member
Joined
Dec 24, 2007
Messages
93
Location
NYC
Format
35mm
The bottle was sealed with tape from Photographer's formulary, but it got wet a few months ago. Does it seem like water may have got in the bottle?

It's been a ong time since I've used this suff, but I don't remember the large crystals.

 
Your picture isn't showing up. If its just clumping, that's pretty normal for KBr and it can just be broken up. If it has recrystallized however, I can't/shouldn't comment.
 
Wayne said:
Your picture isn't showing up. If its just clumping, that's pretty normal for KBr and it can just be broken up. If it has recrystallized however, I can't/shouldn't comment.
Click to expand...


Sorry about that. My spacephone is a little too complicated for me.

 
I've had KBr like that. A mortar and pestle will fix it.
 
I wonder if drying it out might be in order too, since such small amounts are used and that does look like it absorbed a lot of moisture. I'll let someone else answer that question. Mine is clumped too, but yours looks worse than mine. Mine just absorbed humidity but it looks like yours actually got wet.
 
Potassium bromide is not very hydroscopic so wouldn't absorb much water. You can break up the clumps.
 
Why does KBr clump so ready if its not hydroscopic?
 
Wayne said:
Why does KBr clump so ready if its not hydroscopic?
Click to expand...
What you see in this bottle of KBr is nothing compared to what really hygroscopic compounds will do. I have a bottle of KSCN that was never submerged in water or anything, just exposed to normal, sometimes high humidity, and the KSCN mostly dissolved in the water it attracted from the air.
 
You must log in or register to reply here.
Menu
Log in
Register