Hanna Instruments HI-7004L is a 500ml buffer solution with a pH value of 4.01. Buffer solution is used to help achieve accurate pH readings and to check your meter and electrode is working correctly. This buffer solution is ideal for those requiring an accurate acid reading, particularly those working in water purification plants, the food industry, and wherever the pH is expected to be acidic. 

Benefits

• pH values 4.01
• 500ml bottle
• Label shows the batch number and expiry date
• Certificate of Analysis is available on request
• Stored at 25℃
• Extremely stable
• Ideal for those requiring an accurate acid reading
• Ready-to-use
• Ensure quality and accuracy

The HI-7004L is prepared and ready-to-use to ensure quality and accuracy. It should be stored at 25℃ and in an area away from direct sunlight. The HI-7004L bottles are sealed with a tamperproof seal to prevent any Carbon Dioxide getting in and causing a change in the pH buffer value.