HI7004L pH 4.01 Calibration Solution (500 mL)
HI7004L is a premium quality pH 4.01 calibration solution. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna’s line of calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.
- Color coded label for easy pH buffer value identification
- Accuracy of +/- 0.01 pH @ 25°C
- Temperature chart of the actual pH value at various temperatures printed on each bottle
HI7004L is a premium quality pH 4.01 calibration solution that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna’s line of calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.
Air tight bottle with tamper-proof seal
- Ensures quality and freshness of solution
Each bottle marked with lot number and expiration date.
- Hanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle.
Color coded label for easy pH buffer value identification
- Easy to identify different buffer values
- Solution does not contain any dyes that may stain the reference cell of a pH electrode
✔️ HÃNG HANNA INSTRUMENTS USA TẠI VIỆT NAM
✔️ Hotline: 0765360456 (Ms.Vi Hanna)
▪️ Địa chỉ: Tầng 5, 208 Nguyễn Trãi, P.Phạm Ngũ Lão, Q1, TPHCM
▪️ Điện thoại : 028 392 604 57 (HCM) | 024 38 398 507 (HN)
▪️ Email: [email protected]
▪️ Website: www.hannavietnam.com



















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