Product Category Search
Top rated electrolyte solutions
-
Best overall
Fisher Chemical S4-500 Solution pH Buffer, 4, 500mL
Certified pH buffer solution with high accuracy, widely used in labs for pH meter calibration.
- High accuracy
- Reliable brand
- Convenient size
- Slightly expensive
-
Best for conductivity
Oakton PC 2700 Conductivity Solution, 1413 µS/cm, 500 mL
Certified conductivity standard with NIST traceability, ideal for calibrating conductivity meters.
- NIST traceable
- Stable value
- Large volume
- Bottle could be better sealed
-
Best for alkaline calibration
Thermo Scientific Orion 910106 pH Buffer Solution, 10.01, 475 mL
High-pH buffer solution with excellent stability, perfect for calibrating pH meters in alkaline range.
- High stability
- Accurate pH value
- Trusted brand
- Expensive
- Limited volume options
-
Best budget pick
Hanna Instruments HI70300L Conductivity Standard Solution, 84 µS/cm, 500 mL
Low-cost certified conductivity standard for low-range conductivity meters, great for routine calibration.
- Affordable
- NIST traceable
- Good for low range
- Smaller size than some
-
Best value multi-pack
Myron L Company 9P-BODOLR Buffer Solution, 4, 7, 10, 500 mL each
Set of three pH buffers covering the full range, convenient for comprehensive calibration.
- Multi-pack saves money
- Full pH range
- Long shelf life
- Individual bottles small
- Some reported variance
-
Best value single bottle
Ricca Chemical 2607-16 pH Buffer Solution, 7.00, 500 mL
Economical pH 7 buffer with consistent quality, ideal for general lab use.
- Low cost
- Good quality
- Easy to use
- Not NIST traceable
- Basic packaging
-
Best for routine calibration
Cole-Parmer Buffer Solution pH 4.01, 500 mL
General-purpose pH 4 buffer with reliable performance, suitable for daily meter checks.
- Consistent quality
- Reasonable price
- Trusted supplier
- No certificate included
-
Best for alkaline range
VWR Chemicals BDH 100599-098 pH Buffer Solution, 10.00, 500 mL
Stable pH 10 buffer from a reputable brand, suitable for basic pH calibrations.
- Good stability
- Reputable brand
- Adequate volume
- Expensive for some
- Not color-coded
-
Best for mid-range conductivity
Eutech Instruments CTSCOND1 Conductivity Standard, 1413 µS/cm, 500 mL
Economical conductivity standard with acceptable accuracy for routine use.
- Competitive price
- Adequate accuracy
- Good size
- Not NIST traceable
- Some lot variability