50ml Bromothymol blue 1%★Ph indicator★refill for ph★aquarium tank plants★Make sure to checkout with Minerals-water.ltd to get what’s on the picture★

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Molecular formula: C27H28Br2O5S This is 50ml of Bromothymol blue 1% solution (ph indicator) ph 6,0-7,6 – supplied in bottle with tamper proof cap. Please scroll down to see how do we send our product to avoid any damage due a transport to meet best standard and great price. Bromothymol blue (also known as bromothymol sulfone phthalein, Bromthymol Blue, and BTB) is a chemical indicator for weak acids and bases. It is mostly used in applications that require measuring substances that would have a relatively neutral pH (near 7), such as managing the pH of pools and fish tanks. A common use is for measuring the presence of carbonic acid in a liquid. It is typically sold in solid form as the sodium salt of the acid indicator. USES Bromothymol blue may be used for observing photosynthetic activities, or as a indicator (turns yellow as CO2 is added). It may also be used in the laboratory as a biological slide stain. At this point it is already blue, and a drop or two is used on a water slide. The cover slip is placed on top of the water droplet and the specimen in it, with the blue coloring mixed in.[clarification needed] It is sometimes used to define cell walls or nuclei under the microscope. Bromothymol is used in obstetrics for detecting premature rupture of membranes. Amniotic fluid typically has a pH > 7.2, bromothymol will therefore turn blue when brought in contact with fluid leaking from the amnion. As vaginal pH normally is acidic, the blue color indicates the presence of amniotic fluid.

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