From this color, says Sensor Products, precise psi (kg/[cm.sup.2]) can be determined with reference to a color calibration chart ("conceptually similar to interpreting Litmus paper
"), or by one of several imaging systems available from the company.
It's basically as simple as using litmus paper
to see if a solution is acidic or basic by observing whether the paper changes color.
Precise PSI (kg/[cm.sup.2]) can be determined by comparison of the sensor film to a color calibration chart (conceptually similar to interpreting Litmus paper
), or by using one of several imaging systems that the company supplies.
Just like litmus paper
, anthocyanins change color depending on how acidic or basic their environment is.
Attitude towards monarchy acts like some kind of solvent, or litmus paper
: it changes other conceptions or overrides them.
Shining his little torch into the headphone socket, Jed, this one particular Genius, was insistent that my device had "almost certainly" been for a swim based on the fact the teeny tiny little bit of litmus paper
hidden inside the casing had changed colour.
To check the acid, farmers can utilize a blue litmus paper
and put it on the seed.
What colour would litmus paper
turn if you rubbed it on damp washing powder?
He didn't need to talk as he got out the litmus paper
, test tubes and beakers.
STOURBRIDGE dip their litmus paper
into the National Two North test-tube once again tomorrow with many predicting the next four weeks will be the most acidic test of all.
He confirmed that a "presumptive" test was taken which involved scrapping an area off onto a litmus paper
then using two chemicals to test the area.
"As history is witness to the fact that colonial regimes and the Manila central government have repeatedly done historical wrongs and thrown out their commitments against the Moro people--from the Kiram-Bates treaty to the Tripoli Agreement--the litmus paper
test of the pact will be the GPH [Government of the Philippines] sincerity," it added.