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Acid-Base Indicator Selection<br />
Name Visual Transition Interval (pH) Color Change<br />
Thymol Blue 1.2 – 2.8 Red to Yellow<br />
Thymol Blue, Sodium Salt Red to Yellow<br />
Bromophenol Blue 3.0 – 4.6 Yellow to Blue<br />
Bromophenol Blue, Sodium Salt Yellow to Blue<br />
Congo Red 3.0 – 5.0 Blue to Red<br />
Dyphenycarbazone- Bromophenol Blue 3.0 – 7.0 Yellow to Blue<br />
Methyl Orange-Xylene Cyanole Solution 3.2 – 4.2 Purple to Green<br />
Methyl Orange Sodium Salt 3.2 – 4.4 Red to Yellow<br />
Bromocresol Green 3.8 – 5.4 Yellow to Blue<br />
Bromocresol Green, Sodium Salt Yellow to Blue<br />
Methyl Red 4.2 – 6.2 Pink to Yellow<br />
Methyl Red Hydrochloride Pink to Yellow<br />
Methyl Red, Sodium Salt Pink to Yellow<br />
Rosolic Acid 5.0 – 8.0 Yellow to Red<br />
Bromocresol Purple 5.2 – 6.8 Yellow to Purple<br />
Alizarin 5.8 – 7.2 Yellow to Red<br />
Bromothymol Blue 6.0 – 7.6 Yellow to Blue<br />
Bromothymol Blue, Sodium Salt Yellow to Blue<br />
m-Nitrophenol 6.8 – 8.6 Colorless to Yellow<br />
Phenol Red 6.8 – 8.2 Yellow to Red<br />
Phenol Red, Sodim Salt Yellow to Red<br />
Cresol Red 7.0 – 8.8 Yellow to Violet Red<br />
Thymol Blue 8.0 – 9.2 Yellow to Blue<br />
Thymol Blue, Sodium Salt Yellow to Blue<br />
Phenolphthalein 8.0 – 10.0 Colorless to Red<br />
Thymolphthalein 8.8 – 10.5 Colorless to Blue<br />
Alizarin 11.0 – <strong>13</strong>.0 Red to Purple<br />
5,5’-Indigodisulfonic Acid, Disodium Salt 11.4 – <strong>13</strong>.0 Blue to Yellow<br />
Acid Fuchsin 12.0 – 14.0 Red to Colorless<br />
General Technical Data : Liquid Densities*<br />
TECHNICAL<br />
REFERENCES<br />
Liquid Grams/mL Pounds/cu.ft. Temperature<br />
Acetone 0.792 49.4 20°C<br />
Alcohol, ethyl 0.791 49.4 20°C<br />
Alcohol, methyl 0.810 50.5 0°C<br />
Benzene 0.899 56.1 0°C<br />
Carbolic acid 0.950 to 0.965 59.2 to 60.2 15°C<br />
Carbon disulfide 1.293 80.7 0°C<br />
Carbon tetrachloride 1.595 99.6 20°C<br />
Chloroform 1.489 93.0 20°C<br />
Ether 0.736 45.9 0°C<br />
Gasoline 0.660 to 0.690 41.0 to 43.0 —<br />
Glycerine 1.260 78.6 0°C<br />
Kerosene 0.820 51.2 —<br />
Mercury <strong>13</strong>.600 849.0 —<br />
Milk 1.028 to 1.035 64.2 to 64.6 —<br />
Naptha, petroleum ether 0.665 41.5 15°C<br />
Naptha, wood 0.848 to 0.810 52.9 to 50.5 0°C<br />
Oils:<br />
Castor 0.969 60.5 15°C<br />
Coconut 0.925 57.7 15°C<br />
Cotton seed 0.926 57.8 16°C<br />
Creosote 1.040 to 1.200 64.9 to 68.6 15°C<br />
Linseed, boiled 0.924 58.8 15°C<br />
Olive 0.918 57.3 15°C<br />
Sea water 1.025 64.0 15°C<br />
Turpentine (spirits) 0.870 54.3 —<br />
Water 1.000 62.4 4°C<br />
*Selected from Smithsonian Tables<br />
Contact: India Toll Free.: 1 800 209 7001 Fax: 022-6680 3001 / 02 e-mail: qfc.customercare@thermofisher.com<br />
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