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pH Indicator Selector

This tool is very usuful for titration to choose the right indicator for the color change. Choose the right indicator moving the slide control for a given pH value.

pH 0
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14
VI0070 Methyl violet, C.I. 42535, for microscopy Rang: 0.1 - 2.0
AZ0226 Thymol blue, solution 0,04%, indicator Rang: 1.2 - 2.8, Rang: 8.0 - 9.6
0
1
2
3
4
5
6
7
8
9
10
11
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13
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RO0131 Phenol red, solution 0,02%, indicator Rang: 1.2 - 3.0, Rang: 6.5 - 8.0
0
1
2
3
4
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7
8
9
10
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DI0900 4-(Dimethylamino)-azobenzene, reagent grade Rang: 3.0 - 4.0
0
1
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4
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7
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9
10
11
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AN0075 Methyl orange, solution 0,04%, indicator Rang: 3.1 - 4.4
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1
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9
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14
VE0075 Bromocresol green, solution 0,04%, indicator Rang: 3.6 - 5.4
0
1
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3
4
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6
7
8
9
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RO0070 Alizarin red S, C.I. 58005, reagent grade Rang: 3.7 - 5.2
0
1
2
3
4
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6
7
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9
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RO0071 Alizarin red S, solution 0,1% Rang: 3.7 - 5.2
0
1
2
3
4
5
6
7
8
9
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14
RO0156 Methyl red, solution 0,1%, indicator Rang: 4.2 - 6.2
0
1
2
3
4
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8
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NI0348 p-Nitrophenol, indicator Rang: 5.0 - 7.6
0
1
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6
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8
9
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14
AZ0130 Bromothymol blue, indicator, ACS. 3’,3’’-Dibromothymol-sulfonphthalein Rang: 5.8 - 7.6
0
1
2
3
4
5
6
7
8
9
10
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14
AZ0205 Methylthymol blue, tetrasodium salt, indicator Rang: 6.5 - 8.5
0
1
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9
10
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14
NI0343 m-Nitrophenol, indicator Rang: 6.6 - 8.6
0
1
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4
5
6
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8
9
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14
RO0191 Neutral red, solution 0,1%, indicator Rang: 6.8 - 8.0
0
1
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3
4
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6
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8
9
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RO0130 Phenol red, indicator, ACS Rang: 6.8 - 8.2
0
1
2
3
4
5
6
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8
9
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14
CR0095 o-Cresolphthalein, indicator Rang: 8.2 - 9.8
0
1
2
3
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6
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8
9
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14
AZ0100 Aniline blue, C.I. 42755, for microscopy Rang: 10.0 - 13.0
0
1
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3
4
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9
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13
14
IN0065 Indigo carmine, C.I. 73015, extra pure, Reag. Ph Eur Rang: 11.6 - 14.0
0
1
2
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4
5
6
7
8
9
10
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14
AM0095 Titan yellow, C.I. 19540, reagent for magnesium and indicator Rang: 12.0 - 13.0
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1
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