Description
- ① material: paper, pH values: 1-14, Size: One Size 3,6x6 cm (1.42 x 2.66 in)
- ② place a piece test paper and Extrahieren to drop the solution, the flat on the paper tested all you need to wait for it to the colour has changed.
- ③ in comparison to the reference pH value of colour and make it the pH value the tested solution.
- ④ the test paper not directly soak in solution. Not suitable for a solution, it's Superschwache acid and concentration was lower than 0.01%.
- ⑤ if the make-up tests (Color Light Output) are made, the pH between 5 and 6 is better. During the test your Waschwassers is the pH value better 7.
If any question, such as not the Empfangend on time, damaged Empfangend, etc, in contact with customer service we treat the relevant times for you as soon as possible