
Description
The HI70004P pH 4.01 calibration buffer is a premium quality solution designed to calibrate pH meters accurately and reliably. Each sachet contains 20 ml of buffer, ensuring precise readings with an accuracy of +/- 0.01 pH at 25°C. The buffers are packaged in light-blocking foil to prevent oxidation from UV light, maintaining freshness until opened for up to five years after manufacture. Hanna Instruments ensures the quality and consistency of these buffers through ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a controlled environment.
Price History
HI70004P pH 4.01 Calibration Buffer
by Hanna Instruments
Test Kits
Reference reading: Species guide on Codexery
Species guides on Codexery
- Blue-legged hermit crab — Scientific name: Clibanarius tricolor · Distribution: Caribbean Sea source
- Peppermint shrimp — Scientific name: Lysmata wurdemanni · Family: Lysmatidae source
1 retailer · 1 in stock
Compare Prices
Prices and availability change; we are not paid by these stores.














