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    Stains, Indicators, Indicator Papers
 
  We offer comprehensive range of Stains, Indicators & Indicator Papers. All these products are subjected to very careful analysis in our laboratories.
     
  This list is suggestive of the product range. If you dont find what you are looking for, please enquire with your specific requirement at info@gmpct.com .
   
  pH Indicators (Liquids) | pH Indicators (Solids)
     
  pH Indicators (Liquids)  
 
Sr. No. Product Name pH Colour Range
1 Bromocresol green indicator soln. 3.8 - 5.4 Greenish Yellow-Blue
2 Bromocresol purple solution 5.2 - 6.8 Greenish Yellow-Blue Violet
3 Bromophenol blue solution 3.0 - 4.6 Greenish Yellow-Blue Violet
4 Bromothymol blue solution 5.8 - 7.6 Yellow-Blue
5 Congo red indicator solution 3.0 - 5.2 Violet-Orange Red
6 Cresol red indicator solution 6.5 - 8.5 Yellow-Purple
7 Methyl orange indicator solution 3.1 - 4.4 Pink-Orange Yellow
8 Methyl purple solution AR 4.8 - 5.6 Purple-Green
9 Methyl red indicator solution 4.5 - 6.2 Red Violet-Brownish Yellow
10 Neutral red indicator solution 6.8 - 8.0 Violet Red-Orange Yellow
11 Phenol red indicator solution 1.2 - 3.0 Brownish yellow-Orange
12 Phenolphthalein indicator solution 1.2 - 3.0 Colorless-Red Violet
13 Thymol blue solution  1.2 - 2.8 Violet Red-Brownish Yellow
14 Thymolphthalein solution 9.3 - 10.5 Colorless-Blue
15 Universal indicator solution 1.0 - 10.0
16 Universal indicator 4-11 solution 4.0 - 11.0
 
     
  pH Indicators (Solids)  
 
Sr. No.
Product Name pH Colour Range
1
Alizarin AR
5.8 - 7.2 Yellow - Red Violet
2
Alizarin red S (pH indicator) 4.3 - 6.3 Brilliant Yellow - Pink
9.4 - 12.0 Brown orange-Violet
3
Alizarin red S AR 4.3 - 6.3 Brilliant Yellow - Pink
9.4 - 12.0 Brown orange-Violet
4
Alkali blue pH indicator 11.5 - 13.0 Blue-Pink Violet
5
Brilliant yellow indicator powder 6.4 - 9.4     Red-yellow orange
6
Bromocresol green AR pH indicator 3.8 - 5.4     Greenish yellow - Blue
7
Bromocresol green sodium salt 3.8 - 5.4     Greenish yellow - Blue
8
Bromocresol purple AR pH indicator 5.2 - 6.8     Greenish yellow-Blue violet
9
Bromocresol purple sodium salt 5.2 - 6.8     Greenish yellow-Blue violet
10
Bromophenol blue AR pH indicator 3.0 - 4.6     Greenish yellow-Blue violet
11
Bromothymol blue AR pH indicator 5.8 - 7.6    Yellow - Blue
12
Bromothymol blue sod. salt WS pH. Ind.   5.8 - 7.6    Yellow - Blue
13
Congo red pH indicator 3.0 - 5.2     Violet-Red orange
14
o-Cresol phthalein 8.2 - 9.8     Colourless - Violet Red
15
m-Cresol purple pH indicator 1.2 - 2.8     Pink - Yellow
7.4 - 9.0     Brownish yellow - Violet
16
Cresol red AR pH indicator 0.5 - 2.5     Pink-Brownish yellow
6.5 - 8.5     Yellow - Purple
17
Crystals violet pH indicator 0.0 -1.8      Yellow Blue -Violet
18
Dimethyl yellow MS & pH indicator 0.0 -1.8      Yellow Blue -Violet
19
Dimethyl yellow pH indicator 3.0 - 4.0     Pink - Brownish yellow
20
Metanil yellow pH indicator 1.2 - 3.2     Red -Yellow
21
Metanil yellow AR 1.2 - 3.2     Red - yellow
22
Methyl Orange indicator  3.1 - 4.4     Pink-orange yellow
23
Methyl red pH indicator 4.5 -6.2      Red violet -Brownish yellow
24
Methyl red thymol blue AR 4.0 - 10.0   Red - yellow -Blue
25
4-Nitrophenol 5.4 - 7.5     Colourless - Yellow
26
Phenolphthalein Powder 3.2 - 9.8     Colourless - Red violet
27
Phenolphthalein (Powder) pH indicator 8.2 - 9.8     Colourless - Red violet
28
Phenol red powder AR 1.2 - 3.0     Brownish orange - yellow
29
Phenol red sod. salt (WS) pH indicator 1.2 - 3.0     Brownish orange - yellow
30
Phenol violet 8.0 - 10.0   Yellow - Violet 
31
Thymol blue AR powder 1.2 - 2.8    Violet Red - Brownish Yellow
32
Thymolphthalein AR pH indicator 9.3 - 10.5  Colourless - Blue
33
Thymol violet pH indicator 9.0 - 13.0   Yellow-Green-Violet 
34
Titan yellow AR pH indicator 12.0 - 13.0 Yellow - Red
35
Brilliant Crystal blue  
36
Brilliant Green  
37
Bromophenol Red  
38
a-Naphtholphthalein  
39
Nile blue A  
40
PAN indicator  
41
1-(2-Pyridylazo)-2-napthol AR  
42
PAR Indicator  
43
4-(2-Pyridylazo )-resorcinol AR  
 
   
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