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Results Of Chemical Tests On Inks

noodlers archival

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4 replies to this topic

#1 Lunoxmos

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Posted 30 August 2019 - 08:17

Yesterday I had a science class where we were testing the acidity and alkalinity of different liquids. I saw that as the perfect opportunity to put the permanency of some "permanent" inks to the test as there were a few chemicals on hand. I had three inks on hand: Noodler's Bulletproof black, Rohrer und Klingner Salix and Parker Quinkflow ballpoint ink.

The Noodler's didn't budge, while the iron-gall was obliterated by the bleach, and changed colour for the ammonia and hydrochloric acid, and the Parker ballpoint turned red with bleach and then faded some more, and hydrochloric acid life a blue dye component.

 

Just a little something to fuel one's curiosity  ;)

 

fpn_1567200456__post-149387-0-45206900-1


Edited by Lunoxmos, 31 August 2019 - 01:31.


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#2 lapis

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Posted 30 August 2019 - 21:37

Nice test... although an ink's own acidity or alkalinity can't easily be detected (or abandoned/eliminated/reduced) just by inclusion of an alkali or an acid.

PS: Image orientation now fixed


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#3 Lunoxmos

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Posted 31 August 2019 - 01:33

Sorry, I forgot to put in that though we were testing the pH of other liquids, I only wanted to test the permanence of some inks against said liquids. Using the universal pH indicator wasn't very useful as the black ink stayed black, and though not shown on the paper, Baystate blue stayed blueish and then thickened. 

 

Baystate Blue is a weird ink  :lol:



#4 IThinkIHaveAProblem

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Posted 31 August 2019 - 03:04

This is cool

Thanks for posting it
Just give me the Parker 51s and nobody needs to get hurt.

#5 5Cavaliers

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Posted 31 August 2019 - 03:20

Great test!  Thanks for posting!  I find it the results interesting and somewhat revealing.  


"Today will be gone in less than 24 hours.  When it is gone, it is gone.  Be wise, but enjoy!  - anonymous today

 

 

 






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