The simplest and the most known method is measurement with litmus pigments or litmus paper
. This method is used mostly for informational purposes.
9 : a chemical substance (as lime or ammonia) that reacts with an acid to form a salt and turns red litmus paper
YP-U4's design concept is 'litmus' which is inspired by colour gradation on litmus paper
. U4 offers high-glossy round panel which is used in Samsung LCD TVs and monitors.
is specially formulated to change color when dipped in liquid.
If my litmus paper
is sensitive to the acidity of public reaction, I'd say sympathy for Fallon is waning by the day.
That's what I call chemistry: not all that nonsense with magnesium ribbon, Bunsen burners and litmus paper
- none of which I've come across since leaving school.
They have even resorted to placing litmus paper
on the end of sticks and shoving them under doors to determine if they should enter a room, Funk noted.
Interpretation is conceptually similar to analyzing Litmus paper
The plausibility of (R) lies largely in its accounting for strong intuitive judgments like this: someone who observes the color of a litmus paper
is not justified in drawing the indicated chemical conclusion without having some information about the merit of a litmus test.
Ordinary litmus paper
is readily available--pressed into wet soil, it will turn blue if soil is above 7.0 Ph, or pink if it is lower.
If you've ever used litmus paper
, you know how this works.
The litmus paper
was pastel blue, or pastel pink, and there was silence at the lab in which to think.