[pure-silver] sodium thiosulfate

I had some dry sodium thiosulfate in a brown gallon jug.  It solidified to the 
point that I couldn't break it up no matter how violently I shook the bottle so 
I cut off the top of the bottle to get to the chemical and used a mortar and 
pestle to break up what I needed at the time.

The rest I just covered with some saran wrap some months back.

Now it is no longer crystallized and just solid white chunks that will break up 
fairly easily.  I'm wondering if this is any good?  I mixed some and it is 
still an endotherm so that capacity is still there, but wondering if it will 
still "act" like ST.  Using this to make farmers reducer.

Thanks!

Eric

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