pH Test Paper

• Tritest L indicator paper has 3 different indicator zones separated by two hydrophobic barriers

• The 3 zones guarantee optimal color differences and safe determination of in-between values

• Gradation (pH): 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11

Refill pack for pH test paper Duotest pH 1-12 (3 reels of 5m length and 10mm width)

• Duotest indicator papers combine 2 different indicator zones on a single strip

• The zones are separated by a hydrophobic barrier, which effectively prevents mixing of the reaction colors and increases the mechanical stability

• Gradation (pH): 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12

Refill pack for pH test paper Duotest pH 1.0-4.3 (3 reels of 5m length and 10mm width)

• Duotest indicator papers combine two different indicator zones on a single strip

• The zones are separated by a hydrophobic barrier, which effectively prevents mixing of the reaction colors and increases the mechanical stability

• Gradation (pH): 1.0 - 1.3 - 1.6 - 1.9 - 2.2 - 2.5 - 2.8 - 3.1 - 3.4 - 3.7 - 4.0 - 4.3

Refill pack for pH test paper Duotest pH 3.5-6.8 (3 reels of 5m length and 10mm width)

• Duotest indicator papers combine two different indicator zones on a single strip

• The zones are separated by a hydrophobic barrier, which effectively prevents mixing of the reaction colors and increases the mechanical stability

• Gradation (pH): 3.5 - 3.8 - 4.1 - 4.4 - 4.7 - 5.0 - 5.3 - 5.6 - 5.9 - 6.2 - 6.5 - 6.8

Refill pack for pH test paper Duotest pH 5.0-8.0 (3 reels of 5m length and 10mm width)

• Duotest indicator papers combine two different indicator zones on a single strip

• The zones are separated by a hydrophobic barrier, which effectively prevents mixing of the reaction colors and increases the mechanical stability

• Gradation (pH): 5.0 - 5.3 - 5.6 - 5.9 - 6.2 - 6.5 - 6.8 - 7.1 - 7.4 - 7.7 - 8.0

Refill pack for pH test paper Duotest pH 7.0-10.0 (3 reels of 5m length and 10mm width)

• Duotest indicator papers combine two different indicator zones on a single strip

• The zones are separated by a hydrophobic barrier, which effectively prevents mixing of the reaction colors and increases the mechanical stability

• Gradation (pH): 7.0 - 7.3 - 7.6 - 7.9 - 8.2 - 8.5 - 8.8 - 9.1 - 9.4 - 9.7 - 10.0

Refill pack for pH test paper Duotest pH 9.5-14.0 (3 reels of 5m length and 10mm width)

• Duotest indicator papers combine two different indicator zones on a single strip

• The zones are separated by a hydrophobic barrier, which effectively prevents mixing of the reaction colors and increases the mechanical stability

• Gradation (pH): 9.5 - 10.0 - 10.5 - 11.0 - 11.5 - 12.0 - 12.5 - 13.0 - 13.5 - 14.0

Brilliant yellow paper, pH: 6.7 - 7.9 (Box of 200 test strips)

• Yellow paper, which changes color to red near neutral (pH 6.7 - 7.9), e.g. for demonstration of a specific alkali concentration, which is required for special reactions

• Length: 70mm

• Width: 20mm

Refill pack for Congo paper MN 816 N, pH: 5.0 - 3.0 (3 reels of 5m length and 7mm width)

• Used for neutralization analysis

• Used for detection of lactic acid in culture media, which contain lactic acid-producing strains of B. coli

• Red paper with normal sensitivity, which changes color to blue in the pH range 3.0 - 5.0

Congo paper MN 616 T, pH: 5.0 - 3.0 (Box of 200 test strips)

• Used for neutralization analysis

• Used for detection of lactic acid in culture media, which contain lactic acid-producing strains of B. coli

• Red paper with medium sensitivity, which changes color to blue in the pH range 3.0 - 5.0

• Length: 70mm

• Width: 20mm

Congo paper MN 260 HE, pH: 5.0 - 3.0 (Box of 200 test strips)

• Used for neutralization analysis

• Used for detection of lactic acid in culture media, which contain lactic acid-producing strains of B. coli

• Red paper with high sensitivity, which changes color to blue in the pH range 3.0 - 5.0

• Length: 70mm

• Width: 20mm

Refill pack for Blue litmus paper, pH: 8.0 - 5.0 (3 reels of 5m length and 7mm width)

• Best-known indicator paper for neutralization analyses

• Changes color from blue to red when conditions change from alkaline to acidic

• Color change (pH): red - violet - blue

Neutral litmus paper, pH: 5.0 - 8.0 (Reel of 5m length and 7mm width)

• Violet indicator paper which changes to red under acid conditions and to blue under alkaline conditions

Refill pack for Neutral litmus paper, pH: 5.0 - 8.0 (3 reels of 5m length and 7mm width)

• Violet indicator paper which changes to red under acid conditions and to blue under alkaline conditions

Neutral litmus paper, pH: 5.0 - 8.0 (Booklet of 100 strips)

• Violet indicator paper which changes to red under acid conditions and to blue under alkaline conditions

• Length: 70 mm

• Width: 10 mm

Red litmus paper, pH: 5.0 - 8.0 (Reel of 5m length and 7mm width)

• Changes color from red to blue when conditions change from acidic to alkaline

Refill pack for Red litmus paper, pH: 5.0 - 8.0 (3 reels of 5m length and 7mm width)

• Changes color from red to blue when conditions change from acidic to alkaline

Nitrazine yellow paper, pH: 6.0 - 7.0 (Box of 200 test strips)

• Yellow paper which changes to blue when the pH exceeds 6 towards alkaline conditions (greyish blue at pH 7, blue at pH >?8), e.g. for neutralization analyses

• Color change (pH): yellow-blue to violet

• Length: 70mm

• Width: 20mm

Refill pack for Phenolphthalein paper, pH: 8.3 - 10.0 (3 reels of 5m length and 7mm width)

• White paper, which changes color to red when the pH exceeds 8.3 towards alkaline conditions (red at pH >?10), e.g. for neutralization analyses

• Color change (pH): white to red

Colorimetric reagents UNISOL 410 for pH 4 - 10 (Per 100mL)

• For Sea water analysis

• For colorimetric pH determination in the range of 4 to 10

• Especially useful in weakly buffered solutions

• Gradation (pH): 4.0 - 4.5 - 5.0 - 5.5 - 6.0 - 6.5 - 7.0 - 7.5 - 8.0 - 8.5 - 9.0 - 9.5 - 10.0

• Complete with color chart & plastic cuvette