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The melting point of a crystalline substance is the temperature at which it first changes from a crystalline state to a liquid state. The melting point of a substance is measured by using a thermometer to measure the temperature during heating or cooling.
Sodium Thiosulfate Pentahydrate is used in various applications such as pond and aquarium dechlorination, photography as a fixer, electroplating, tanning leather and fabric printing, dyeing, etc. It is also a good choice for leaching gold, because it is much less toxic than cyanide and can be used on a variety of ore types including carbonaceous and Carlin-type ores.
It is a strong ligand for soft metal ions. It is often incorporated into complexes with silver bromide and in the gold mining process.
In water treatment, it is commonly added after the sample has been taken to prevent oxidation of the CPs by chlorine. It is also used in hot packs and hand warmers to generate heat.
This chemical is one of the few compounds that dissolves silver bromide, making it a popular fixer for photographic processing. It can also be used to remove a large amount of silver from glass by a simple solution of water and Na2S2O5.
The physicist’s way to determine the melting point of sodium thiosulfate pentahydrate is to melt the substance with heat. This is because the crystalline lattice of the substance is broken. It is this breaking of the lattice that causes the substance to begin to change from a crystalline state to aliquid. Once the substance reaches the melting point, all the supplied heat is used to break it.