Preparation and action of phenolic erythione and alkali indicators.

related topics .structurePhenolsulfonphthalein alias phenol sulfontalein is a commonly used
acid-base
indicator, showing orange between pH 6.6 and 8.0, pH below 6.6 yellow, pH higher than 8.4 red., how to make 0.5% phenol red 1. Crush the phenolic red on paper, because he is too difficult to dissolve! Not breaking can cause dissolution for a long time! Then call 0.5g..2.
PBS
100ml to maintain osmosis pressure..3. Mix and stir around
30min
the magnetic mixer., phenolic red in
cell
culture
role?red is used as an indicator of pH in
medium
: red when neutral, yellow when acidic, and purple when alkaline. Studies have shown that phenolic red can simulate the effects
steroids
hormones, especially estrogen. To avoid steroid reactions, culture cells, especially lactating cells, with a culture without phenolic redness. Because of phenolic red interference testing, some researchers do not use a culture base with phenolic red when doing streaming cell testing.as an acid-base indicator can be used for carbon dioxide concentration testing indicators, diagnostic aids, etc. Bio-gang recommends phenolic erythrine indicators: Phenol Red Sodium Salt of United States Biology
.