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🧪 Calibrate like a pro — precision that keeps you ahead of the curve!
The Apera AI1115 pH Calibration Buffer Kit offers three NIST-traceable buffer solutions (pH 4.00, 7.00, 10.01) with ±0.01 accuracy at 25°C. Manufactured under strict ISO 9001:2015 and ISO 17025:2017 standards using ultra-pure reagents, these color-coded, double-sealed 8 oz bottles guarantee reliable, long-lasting calibration for professional-grade pH meters.




| Customer Reviews | 4.6 out of 5 stars 52 Reviews |
E**R
A must-have!!
Bought this for my Apera Ph60 pen!! I love using this stuff over the buffer powder!! Seems WAY more accurate!! Quicker reading in my opinion!! Super easy to use!! Everything arrived safely with no leaks! Thank you very much!!
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