Iron Gall Ink Test Paper
Indicator Paper iron Colour-fast barthophenanthroline test strips
Indicator paper for iron ions.
Dimension 75 x 10 mm, 100 strips with user's manual.
Indicator Paper iron Colour-fast barthophenanthroline test strips
Indicator paper for iron ions.
Dimension 75 x 10 mm, 100 strips with user's manual.