> >>Wody w akwarium paski do testowania pH uniwersalne pełny zakres papier lakmusowy 1-14 kwasowy wskaźnik alkaliczny żywności labor
Wody w akwarium paski do testowania pH uniwersalne pełny zakres papier lakmusowy 1-14 kwasowy wskaźnik alkaliczny żywności labor Zobacz większe

Wody w akwarium paski do testowania pH uniwersalne pełny zakres papier lakmusowy 1-14 kwasowy wskaźnik alkaliczny żywności labor

32845880821

Nowy produkt

20,02 zł

Całkowita ocena Całkowita ocena:

0 1 2 3 4
4,50/5 - 4 ocen

Zobacz oceny
0 1 2 3 4 2
0 1 2 3 0 2
0 1 2 0 1 0
0 1 0 1 2 0
0 0 1 2 3 0

Aquarium Water pH Test Strips Universal Full Range Litmus Paper 1-14 Acidic Alkaline Indicator Food Urine Lab Soil Body Tester

Product Instructions:

1. Checking the Property of the Solution: please take a small piece of test paper on the surface of the glass or vessel, use the glass rod or plastic dripper with stain to point in the middle of the test paper, observe the color changes and compare it with the color card, and determine the property of the solution.

2. Check the Property of the Gas: firstly please wet the test paper with distilled water, stick it to one end of the glass rod, close the paper by glass rod to the gas, observe the color changes, and determine the property of the gas.

3. Attention:

(1) The test paper can not be directly dipped into the solution.

(2) The test paper can not touch the test tube mouth, bottle mouth, catheter mouth and so on.

(3)When you are measuring the pH of the solution, the test paper can not bepreviously wetted with distilled water, because the wetting test paper isequivalent to diluting the test solution, which can lead to inaccurate measurement. The correct way is to dip inthe middle of the test paper by glass rod with solution to be tested. After the test papers\' discoloration, then you can compared it with the standard color card to determine the pH of thesolution.

(4) After taking out the test paper, the lid of the container which contains the test paper should be tightened to avoid contamination by some gas inthe laboratory.

Product Parameters:

1. Thickness: of Each One: about 0.2 mm / 0.01 inches

2. Note: 80 pcs / book with color card

3. Material: paper

  • Reviews Reviews (4)
    • Write a Review
    Based on 4 ocen - 0 1 2 3 4 4,50/5

    PRODUKTY, KTÓRE MOGĄ CIEBIE RÓWNIEŻ ZAINTERESOWAĆ

    1. Sklep Internetowy - underhome.pl
    2. Produkty dla zwierząt
    3. Akcesoria do hodowli ryb
      4. Wody w akwarium paski do testowania pH uniwersalne pełny zakres papier lakmusowy 1-14 kwasowy wskaźnik alkaliczny żywności labor