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Features
Description
Steps for usage Step 1: Open the package and pour the powder completely into a clean, dry glass container. Step 2: Add 250 ml of deionized water (or distilled water) to the container. (Preferably 250 ml calibration flask) Step 3: Stir until the powder is completely dissolved. Step 4: Calibrate your pH meter, put the pH meter into the solution, stir gently, and wait a few seconds. (Rinse the meter with pure water before testing) To ensure more accuracy, calibrate with 2 solutions, starting from 6.86, then 4.01 or 9.18. Specification: 54.01 solution (potassium hydrogen phthalate) 56.86 solution (mixed phosphate) 59.18 solution (borax) Note: It is not a drinkable solution, please keep it out of the reach of children aged 0-3!
Package Dimensions : 6.38 x 3.82 x 0.47 inches; 1.45 Ounces
Item model number : BJ-pH-469
Date First Available : July 5, 2021
Manufacturer : BOJACK
Country of Origin : China
Best Sellers Rank: #8,670 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #3 in Chemical Buffers
#3 in Chemical Buffers:
Customer Reviews: 4.3 4.3 out of 5 stars 228 ratings
