SPECIFICATIONS

Battery Included: No

Brand Name: yieryi

Choice: yes

Function: pH calibration solution

High-concerned chemical: None

Origin: Mainland China

With Backlight Or Not: No

Yieryi 15 Pack pH Buffer Powder 4.01/6.86/9.18 for pH Meter Calibration, Universal pH Tester Calibration Solution Powder Packets

High Accuracy: These high-purity buffer powders ensure precise pH calibration with ±0.01 pH accuracy at 25°C/77°F; They keep your pH testers sharp and reliable for consistent results

High Stability: These premium buffer powders maintain accurate pH values of 6.86, 4.01, and 9.18, even after long-term storage, saving you from repeated purchases for pH calibration

Individual Packets: Includes 5 packets of pH 4.01 solution powder, 5 packets of pH 6.86 solution powder, and 5 packets of pH 9.18 solution powder; Each packet is individually sealed to ensure freshness and accuracy, making them easy to carry and store

Quick Dissolution: These pre-measured pH buffer solution powders dissolve quickly, streamlining the calibration process; They contain no harmful substances, ensuring safe handling

Simple to Use: Compatible with any pH tester and probe; Just empty a packet into a clean glass beaker, add 250ml deionized or distilled water, stir gently until dissolved, and you're ready for calibration

How to Use pH Buffer Powder:

Pour the Powder: Empty the entire packet into a clean glass beaker.

Add Water: Pour 250 ml of deionized or distilled water into the beaker.

Stir to Dissolve: Stir gently until the powder is completely dissolved.

Calibrate: Insert the pH meter into the solution and proceed with calibration.