Change of ph to f

CIE has changed the following terms:
New term for sulphate is sulfate
thiosulphate is thiosulfate
sulphite is sulfite
sulphur is sulfur
disulphide to disulfide

Xtreme link

Change of Xtremepaper link

http://www.planet-master.com/

Many thanks to you, Leong Seek for your information

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