pH Calibration Buffer Capsules 4.0 Orange For Fresh No Waste Buffer Making Dissolve One Capsule In 100 mL Of Water And Stir To Create Precise 0.02 pH Calibration Solution Every Time 10 Capsules Per Vial

Fresh pH Calibration Capsule Set 4.0 for on-demand buffer
✔️ 10 capsules per vial; fresh buffers on demand with ±0.02 pH precision

These buffer capsules let you make a fresh pH calibration solution by dissolving one capsule in 100 mL of distilled water, delivering a precise pH 4.0 orange buffer for calibration tasks. Ideal for labs, classrooms, and hobbyists needing accurate instrument calibration without waste.

✅ One capsule dissolves in 100 mL water to make fresh pH 4.0 buffer
✅ Buffer accuracy ±0.02 pH for reliable pH meter calibration
✅ Pack includes 10 capsules per vial for convenient on-demand use
✅ Orange color helps identify the 4.0 buffer type easily

💡 What is a pH calibration buffer capsule used for in labs?

Short answer: it makes a fresh, precise calibration buffer on demand.

- Handy for on-demand calibration with no stale buffers
- Produces a stable pH 4.0 buffer in 100 mL water
- Reduces waste and storage needs with single-use capsules