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8oz. pH Calibration Buffer Solution Kit (pH 4.00, 7.00 & 10.01), Plus 4oz 3M KCL Storage Solution for pH/ORP Electrodes
Sustainability features
Purchase options and add-ons
- High accuracy (±0.01 pH): standardized against NIST Certified pH references within 0.01 pH at 25˚c (77˚f). ideal for the calibration of all kinds of pH meters
- Color-coded, double-sealed, 1-Year shelf life
- Expiration Date and temperature/pH reference chart provided for reference
Frequently bought together

Sustainability features
This product has features recognized as more sustainable by certifying organizations.
Carbon emissions from the lifecycle of this product were measured, reduced and offset.
Product information
Technical Details
| Manufacturer | Apera Instruments, LLC |
|---|---|
| Part number | AI1109 |
| Item Weight | 255 g |
| Product Dimensions | 5.08 x 5.08 x 20.32 cm; 255.15 g |
| Item model number | AI1109 |
| Item Package Quantity | 1 |
| Batteries Required? | No |
| Length | 5.08 Centimetres |
| Width | 5.08 Centimetres |
| Height | 20.32 Centimetres |
Additional Information
| ASIN | B01N0QVLLD |
|---|---|
| Customer Reviews |
4.7 out of 5 stars |
| 鶹 Rank |
|
| Date First Available | Feb. 6 2017 |
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Product details
- Product Dimensions : 5.08 x 5.08 x 20.32 cm; 255.15 g
- Date First Available : Feb. 6 2017
- Manufacturer : Apera Instruments, LLC
- ASIN : B01N0QVLLD
- Item model number : AI1109
- 鶹 Rank: #29,184 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
- #20 in Electrolyte Solutions
- Customer Reviews:
Product description
The Apera Instruments AI1109 pH calibration buffer solution Kit includes three 8oz bottles of pH buffer solutions (pH 4.00, pH 7.00, and pH 10.01), and one 4oz bottle of 3M KCl storage solution for pH/ORP electrodes. The color-coded buffer solutions are standardized against NIST certified pH References within 0.01 pH at 25˚c (77˚f). it’s ideal for the calibration of all kinds of pH meters. Since pH level is affected by temperature, a temperature/pH reference Chart is provided on the bottle Label for reference. The 3M KCl storage solution helps keep the sensitivity and accuracy of your pH probes. All the solutions are double-sealed, not subject to the dot shipping restrictions, and have a 1-year shelf life. Expiration date is printed on the bottle. Msds documents are downloadable. Note: store at room temperature and away from direct sunlight. Keep the bottle tightly closed when not in use. Keep out of REACH of children.
From the manufacturer
High Quality Raw Materials
Our calibration and maintenance solutions are made in Columbus Ohio using high-purity chemicals and deionized water with 0.0001g-grade analytical balances, ensuring you to get the most reliable standard values possible to calibrate and double check you meters.
Color-coded pH Buffers
We use special dyes to color-code our pH buffers, which not only helps you avoid the error of using the wrong calibration solution, but also extends the service life of the buffers to 24 months.
pH/Temperature Standard Reference
- All the pH bottle labels include the pH/temperature reference table for you to find the correct standard value at your temperature. pH value changes when temperature changes.
- For example, the standard value of pH 10 calibration buffer is 10.01 at 25˚C, but it will change to 10.18 when the temperature is 10˚C. Therefore, when you see the pH meter reads the pH10 buffer at 10.17 when the temperature is close to 10˚C, that means your meter is very accurate (only ±0.01 pH error).



