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== Notes == | == Notes == | ||
=== Universal PCB | === Universal PCB Developer === | ||
According to the [http://www.chilternconnections.co.uk/ZENCART/HANDSSHEETS/Etching%20Products/PDSM_MSDS.pdf safety datasheet] of the PCB photoresist developer (Universal PCB Developer, manufactured by Chiltern Connections Ltd and sold by Maplin), the compound is Sodium Metasilicate Pentahydrate, containing the hazardous ingredient Disodium Metasilicate at a concentration of 58%. | According to the [http://www.chilternconnections.co.uk/ZENCART/HANDSSHEETS/Etching%20Products/PDSM_MSDS.pdf safety datasheet] of the PCB photoresist developer (Universal PCB Developer, manufactured by Chiltern Connections Ltd and sold by Maplin), the compound is Sodium Metasilicate Pentahydrate, containing the hazardous ingredient Disodium Metasilicate at a concentration of 58%. | ||
