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Indicators
Indicators

Indicators

pH indicators for easy qualitative pH measurements and reaction analysis. Ample coverage of a wide range of pH values.

258 products on this category. Showing 15 products per page.

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Variamine Blue B Sulfate (=4-Amino-4'-methoxydiphenylamine Sulfate) [for Iron-Titration]
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Variamine Blue B Sulfate (=4-Amino-4'-methoxydiphenylamine Sulfate) [for Iron-Titration]
CAS: 3169-21-9
Formula:
C13H14N2O·H2SO4
Purity:
>97.0%(N)
Color and Shape:
Gray to Dark blue to Black powder to crystal
Molecular weight:
312.34

Ref: 3B-M0495
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Bromocresol Green Sodium Salt
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Bromocresol Green Sodium Salt
CAS: 1007478-52-5 67763-24-0
Formula:
C21H13Br4NaO5S
Purity:
>95.0%(T)(HPLC)
Color and Shape:
Red to Dark blue to Black powder to crystal
Molecular weight:
720.0

Ref: 3B-S0041
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Thymol Blue
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Thymol Blue
CAS: 76-61-9
Formula:
C27H30O5S
Color and Shape:
Yellow to Brown to Dark green powder to crystaline
Molecular weight:
466.59

Ref: 3B-T0235
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Arsenazo III [Spectrophotometric reagent for U, Th, Zr and other metals, Indicator for the precipitation titration of SO4 with Ba]
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Arsenazo III [Spectrophotometric reagent for U, Th, Zr and other metals, Indicator for the precipitation titration of SO4 with Ba]
CAS: 1668-00-4
Formula:
C22H18As2N4O14S2
Purity:
>95.0%(T)
Color and Shape:
Dark green to Dark red to Black powder to crystaline
Molecular weight:
776.36

Ref: 3B-A5009
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Ethylene Glycol Bis(2-aminoethyl Ether)-N,N,N',N'-tetraacetic Acid
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Ethylene Glycol Bis(2-aminoethyl Ether)-N,N,N',N'-tetraacetic Acid
CAS: 67-42-5
Formula:
C14H24N2O10
Purity:
>95.0%(T)
Color and Shape:
White to Almost white powder to crystaline
Molecular weight:
380.35

Ref: 3B-E0106
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Methyl Red
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Methyl Red
CAS: 493-52-7
Formula:
C15H15N3O2
Purity:
>98.0%(HPLC)
Color and Shape:
Orange to Brown to Dark purple powder to crystal
Molecular weight:
269.3

Ref: 3B-M0421
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Sodium Diphenylamine-4-sulfonate
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Sodium Diphenylamine-4-sulfonate
CAS: 6152-67-6
Formula:
C12H10NNaO3S
Purity:
>97.0%(HPLC)(N)
Color and Shape:
White to Light gray to Light yellow powder to crystal
Molecular weight:
271.27

Ref: 3B-D0877
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Methylxylenol Blue
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Methylxylenol Blue
CAS: 29412-85-9
Formula:
C33H32N2Na4O13S
Purity:
>85.0%(HPLC)
Color and Shape:
Red to Dark blue to Black powder to crystal
Molecular weight:
788.64

Ref: 3B-X0052
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Basic Green 1
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Basic Green 1
CAS: 633-03-4
Formula:
C27H34N2O4S
Purity:
None(GC)
Color and Shape:
Green to Dark green powder to crystal
Molecular weight:
482.64

Ref: 3B-B0789
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Metacresol Purple Sodium Salt
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Metacresol Purple Sodium Salt
CAS: 62625-31-4
Formula:
C21H17NaO5S
Purity:
None(GC)
Color and Shape:
Red to Dark blue to Black powder to crystal
Molecular weight:
404.41

Ref: 3B-S0045
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Disodium Rhodizonate
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Disodium Rhodizonate
CAS: 523-21-7
Formula:
C6Na2O6
Purity:
>90.0%(T)
Color and Shape:
Yellow to Brown to Dark green powder to crystal
Molecular weight:
214.04

Ref: 3B-R0019
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ANS-Mg (=Magnesium(II) 8-Anilino-1-naphthalenesulfonate) [Hydrophobic fluorescent probe]
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ANS-Mg (=Magnesium(II) 8-Anilino-1-naphthalenesulfonate) [Hydrophobic fluorescent probe]
CAS: 18108-68-4
Formula:
C32H24MgN2O6S2
Purity:
>98.0%(T)(HPLC)
Color and Shape:
Light yellow to Amber to Dark green powder to crystal
Molecular weight:
620.98

Ref: 3B-A5353
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Acid Red 91
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Acid Red 91
CAS: 548-24-3
Formula:
C20H6Br2N2Na2O9
Color and Shape:
Amber to Brown powder to crystal
Molecular weight:
624.06

Ref: 3B-E0204
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N,N'-Diphenylbenzidine
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N,N'-Diphenylbenzidine
CAS: 531-91-9
Formula:
C24H20N2
Purity:
>98.0%(HPLC)(N)
Color and Shape:
White to Gray to Brown powder to crystal
Molecular weight:
336.44

Ref: 3B-D0878
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Eriochrome Black T (1:100 diluted with NaCl)
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Eriochrome Black T (1:100 diluted with NaCl)
CAS: 1787-61-7
Formula:
C20H12N3NaO7S
Purity:
None(GC)
Color and Shape:
Purple to Dark purple to Brown powder to crystal
Molecular weight:
461.38

Ref: 3B-E0487
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