PH TESTING PEN
With Ph testin per you can determine whether the paper and board you are using is acidic.
The Chlorophenol red indicator solution in the per will turn purple on any paper with a ph fo 6,8 ad above. A clear or yellow colour indicates the material is probably unsuitable for conservation purposes.
last modification:
3-/-0/2016
ARTICLE
description
pack size
pack code.
71385
PH TESTING PEN
Bresciani Srl Via Breda 142 - 20126 Milan - Italy - R. I. Milan - VAT N./COD FISC. IT 09143390152 Cap. soc. 90.000,00 euro