Oct 23, 2016 · The apparatus used was an SI Analytics Lab 870 benchtop pH meter coupled with a virtually new SI Analytics BlueLine pH 15 all-glass electrode that was fully pressurized …

Dec 22, 2016 · Why is Noodler's Baystate Blue advertised as being alkaline? The bottle says ph between 8-9, and various retailers advertise it as being slightly more dangerous to pens due to …

Non-permanent blue inks are considered the safest ink, since blue requires the least amount of pigment. There is a large consensus on the safety of blue and black fountain pen inks by large …

The safest inks to use in vintage fountain pens are Waterman Blue, Diamine's blue inks, Pelikan 4001 Black and Blue, Parker Quink Black and Blue, Sheaffer Skripp Black, and Aurora. These …

Most fountain pen inks are pH-neutral or slightly acidic. In our test, the highest pH value was 8.6 (Noodler's Polar Black), slightly alkaline, or basic. Most regular inks, like Pelikan's 4001 Black …

Dec 19, 2024 · Looking for a blue fountain pen ink that’s far from ordinary? Brian shares his top picks for special blue inks—bold and full of eye-catching ink properties.

Jul 10, 2017 · Of these two inks in particular which would you recommend? Go with the Quink. Please consider Pelikan Royal Blue too, elegant, reliable and great on worse types of paper. I …

212 Blue: resists mild alkaline and acid etchants. No board pre-treatment required apart from ensuring that the surface is free from oil and grease. 212 is an alkali strippable resist with …

Mar 28, 2020 · Funny how Asian inks are always very alkaline compared to European ones... And interesting that my #1 favourite ink (KWZ IG Blue Black) is not that acidic at all. Most royal …