320x pH Indicator Test Strips 1-14 Laboratory Paper Litmus Tester Urine Saliva
USD 5.99 USD
Specifications
| Delivery | UPS2ndDay |
| Returns Policy | Days_30 |
| Global Shipping Program | False |
| Model | LAB-pH-14 |
| Brand | LabAider |
The test strip color changes must be matched with the pH scale color chart within about 15 seconds. Different pH content discoloration range is different, by comparing the color card ratio: the smaller the number, the stronger the acidity, the larger the value, the stronger the alkalinity.