Indicators, Chemicals, 5 g, GFS Chemicals
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Resazurin, Sodium Salt
GFS ChemicalsC12H6NO4Na CAS#: 62758-13-8 F.W.: 251.18 NFPA#: 2-1-1 Certifiable
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Metalphthalein (ACS)
GFS ChemicalsC32H32N2O12•nH2O CAS#: 2411-89-4 F.W.: 636.62 Cresolphthalein Complexone
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2',7'-Dichlorofluorescein (ACS)
GFS ChemicalsC20H10Cl2O5 CAS#: 76-54-0 F.W.: 401.20 2',7'-Dichloro-3,6-fluorandiol
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Thymol Blue, Free Acid (ACS)
GFS ChemicalsC27H30O5S CAS#: 76-61-9 F.W.: 466.60 Thymolsulfonphthalein
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Thymol Blue, Sodium Salt Reagent (ACS)
GFS ChemicalsThymolsulfonphthalein. Water soluble pH indicator.
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Variamine Blue B (ACS)
GFS ChemicalsCH3OC6H4NHC6H4NH2•HCl CAS#: 3566-44-7 F.W.: 250.73 N-[p-Methoxyphenyl]-p-phenylenediamine hydrochloride
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5,10,15,20-Tetraphenyl-21H,23H-Porphine, 97%
GFS Chemicals(C6H5)4C20H10N4 CAS#: 917-23-7 F.W.: 614.75 TPP. Contains 1-3% of the corresponding chlorin.
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Bromphenol Blue, Free Acid (ACS)
GFS ChemicalsC19H10Br4O5S CAS#: 115-39-9 F.W.: 669.97 Organic soluble pH indicator.
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Methylthymol Blue Sodium Salt (ACS)
GFS ChemicalsC37H40N2O13SNa4 CAS#: 1945-77-3 F.W.: 844.74 Descriptions: Water soluble chelometric indicator.
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C20H13N4S2O6Na•H2O CAS#: 69898-45-9 F.W.: 510.46 Reagent for the spectrophotometric determination of iron and copper. Approximately 7% water.
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