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๐งช Calibrate like a pro, measure like a boss.
The Apera AI1108 pH Calibration Buffer Kit delivers ultra-precise pH 4.00 and 7.00 solutions with ยฑ0.01 accuracy, traceable to NIST standards. Manufactured in ISO-certified facilities using premium reagents, it features color-coded, double-sealed bottles with a 2-year shelf life, plus a 3M KCL storage solution to maintain electrode performanceโideal for professionals demanding reliable, hassle-free calibration.

| Manufacturer | Apera Instruments, LLC |
| Part number | AI1108 |
| Item Weight | 255 g |
| Product Dimensions | 5.08 x 5.08 x 20.32 cm; 255.15 g |
| Style | pH4, 7 and KCL (8 oz.) |
| Material | HDPE |
| Pattern | Lab Supplies |
| Measurement System | US |
| Batteries Included | No |
| Batteries Required? | No |
| Item Dimensions LxWxH | 5.1 x 5.1 x 20.3 cm |
P**S
Big win for our lab!
It's wonderful to have the option of buying lab supplies from Amazon instead of the typical vendors we use. WAY cheaper, fast delivery, works great.
K**C
No issues in use. Storage solution is a bonus.
No issues. As expected. Storage solution is a nice addition. Tested against freshly cal'd unit and spot on.
B**Y
Accurate, easy to use, and important to have on hand
I had borrowed a friend's pH meter and needed some calibration solution so I bought these. His meter was pretty old and flakey and I had to do a lot of calibrations. These solutions were easy to use and did the trick. I have since purchased an Apera meter which is so much better and way easier to use and also needs fewer calibrations. My bottles of calibration solution should last much longer now.
M**N
A Great Package to Maintain Your pH Meter
Well packaged and excellent price.
T**N
Precision
Another excellent product I like to use it as a backup or if I just want to doublecheck my charts thank you so very much
Trustpilot
1 week ago
1 month ago