pH test pen ph phenol yellow test pen pH test pen for measuring cloth or paper
Abbey pH Test Pen
Abbey PH Test Pen, pH Test Pen
Specifications: 85*150*215CM
Application: To measure the pH of cloth or paper
This product is to store the three indicators of methyl red, bromocresol green and thymol blue in the pen, and the materials applied to the materials will change color according to certain rules in solutions of different pH values.
make it easier to use.
To use, draw a line segment on the material. If the material is yellow, it is acidic (PH value is less than 6.8). If it is purple, it is neutral or alkaline (PH value is greater than 6.8)
pH test pen ph phenol yellow test pen pH test pen for measuring cloth or paper
Abbey pH Test Pen
Abbey PH Test Pen, pH Test Pen
Specifications: 85*150*215CM
Application: To measure the pH of cloth or paper
This product is to store the three indicators of methyl red, bromocresol green and thymol blue in the pen, and the materials applied to the materials will change color according to certain rules in solutions of different pH values.
make it easier to use.
To use, draw a line segment on the material. If the material is yellow, it is acidic (PH value is less than 6.8). If it is purple, it is neutral or alkaline (PH value is greater than 6.8)
pH test pen ph phenol yellow test pen pH test pen for measuring cloth or paper
Abbey pH Test Pen
Abbey PH Test Pen, pH Test Pen
Specifications: 85*150*215CM
Application: To measure the pH of cloth or paper
This product is to store the three indicators of methyl red, bromocresol green and thymol blue in the pen, and the materials applied to the materials will change color according to certain rules in solutions of different pH values.
make it easier to use.
To use, draw a line segment on the material. If the material is yellow, it is acidic (PH value is less than 6.8). If it is purple, it is neutral or alkaline (PH value is greater than 6.8)
pH test pen ph phenol yellow test pen pH test pen for measuring cloth or paper
Abbey pH Test Pen
Abbey PH Test Pen, pH Test Pen
Specifications: 85*150*215CM
Application: To measure the pH of cloth or paper
This product is to store the three indicators of methyl red, bromocresol green and thymol blue in the pen, and the materials applied to the materials will change color according to certain rules in solutions of different pH values.
make it easier to use.
To use, draw a line segment on the material. If the material is yellow, it is acidic (PH value is less than 6.8). If it is purple, it is neutral or alkaline (PH value is greater than 6.8)
pH test pen ph phenol yellow test pen pH test pen for measuring cloth or paper
Abbey pH Test Pen
Abbey PH Test Pen, pH Test Pen
Specifications: 85*150*215CM
Application: To measure the pH of cloth or paper
This product is to store the three indicators of methyl red, bromocresol green and thymol blue in the pen, and the materials applied to the materials will change color according to certain rules in solutions of different pH values.
make it easier to use.
To use, draw a line segment on the material. If the material is yellow, it is acidic (PH value is less than 6.8). If it is purple, it is neutral or alkaline (PH value is greater than 6.8)
pH test pen ph phenol yellow test pen pH test pen for measuring cloth or paper
Abbey pH Test Pen
Abbey PH Test Pen, pH Test Pen
Specifications: 85*150*215CM
Application: To measure the pH of cloth or paper
This product is to store the three indicators of methyl red, bromocresol green and thymol blue in the pen, and the materials applied to the materials will change color according to certain rules in solutions of different pH values.
make it easier to use.
To use, draw a line segment on the material. If the material is yellow, it is acidic (PH value is less than 6.8). If it is purple, it is neutral or alkaline (PH value is greater than 6.8)
pH test pen ph phenol yellow test pen pH test pen for measuring cloth or paper
Abbey pH Test Pen
Abbey PH Test Pen, pH Test Pen
Specifications: 85*150*215CM
Application: To measure the pH of cloth or paper
This product is to store the three indicators of methyl red, bromocresol green and thymol blue in the pen, and the materials applied to the materials will change color according to certain rules in solutions of different pH values.
make it easier to use.
To use, draw a line segment on the material. If the material is yellow, it is acidic (PH value is less than 6.8). If it is purple, it is neutral or alkaline (PH value is greater than 6.8)
pH test pen ph phenol yellow test pen pH test pen for measuring cloth or paper
Abbey pH Test Pen
Abbey PH Test Pen, pH Test Pen
Specifications: 85*150*215CM
Application: To measure the pH of cloth or paper
This product is to store the three indicators of methyl red, bromocresol green and thymol blue in the pen, and the materials applied to the materials will change color according to certain rules in solutions of different pH values.
make it easier to use.
To use, draw a line segment on the material. If the material is yellow, it is acidic (PH value is less than 6.8). If it is purple, it is neutral or alkaline (PH value is greater than 6.8)
pH test pen ph phenol yellow test pen pH test pen for measuring cloth or paper
Abbey pH Test Pen
Abbey PH Test Pen, pH Test Pen
Specifications: 85*150*215CM
Application: To measure the pH of cloth or paper
This product is to store the three indicators of methyl red, bromocresol green and thymol blue in the pen, and the materials applied to the materials will change color according to certain rules in solutions of different pH values.
make it easier to use.
To use, draw a line segment on the material. If the material is yellow, it is acidic (PH value is less than 6.8). If it is purple, it is neutral or alkaline (PH value is greater than 6.8)
pH test pen ph phenol yellow test pen pH test pen for measuring cloth or paper
Abbey pH Test Pen
Abbey PH Test Pen, pH Test Pen
Specifications: 85*150*215CM
Application: To measure the pH of cloth or paper
This product is to store the three indicators of methyl red, bromocresol green and thymol blue in the pen, and the materials applied to the materials will change color according to certain rules in solutions of different pH values.
make it easier to use.
To use, draw a line segment on the material. If the material is yellow, it is acidic (PH value is less than 6.8). If it is purple, it is neutral or alkaline (PH value is greater than 6.8)
Abbey pH Test Pen
Abbey PH Test Pen, pH Test Pen
Abbey PH Test Pen, pH Test Pen
Specifications: 85*150*215CM
Application: To measure the pH of cloth or paper
This product is to store the three indicators of methyl red, bromocresol green and thymol blue in the pen, and the materials applied to the materials will change color according to certain rules in solutions of different pH values.
make it easier to use.
make it easier to use.
To use, draw a line segment on the material. If the material is yellow, it is acidic (PH value is less than 6.8). If it is purple, it is neutral or alkaline (PH value is greater than 6.8)
1. Packing:1pcs
1. Packing:1pcs
1. Packing:1pcs
1. Packing:1pcs
1. Packing:1pcs
1. Packing:1pcs
1. Packing:1pcs
1. Packing:1pcs
1. Packing:1pcs
1. Packing:1pcs
2. Warranty period: 120 days
On Aug 9, 2022 at 20:15:00 PDT, seller added the following information: