GroLine pH 7.01 Calibration Buffer (230 mL) - HI7007-023 HI7007-023 is a high quality pH 7.01 calibration buffer 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 technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle. • Supplied with Certificate of Analysis • Accuracy of +/- 0.02 pH @ 25°C • Temperature chart of the actual pH value at various temperatures printed on each bottle. Authorized Dealer Of Shree Vissnu Scientific Company In Coimbatore, Madurai, Tiruchirappalli, Tiruppur, Salem, Erode, Thoothukudi, Karur, Tuticorin, Coimbatore, Madurai, Nilgiris, Kancheepuram, Theni, Erode, Thanjavur, , Namakkal, Krishnagiri, Coimbatore, Dindigul, Tiruppur, Theni, Tirunelveli, Vellore, Thiruvannamalai, OOty Kancheepuram, Cuddalore, Salem, Tiruppur, Cuddalore, Erode, , Erode, Namakkal, Salem, Kancheepuram, Madurai, Namakkal, Perambalur, Nilgiris, Theni, Tuticorin, pondicherry, kanjikode, Palakkad, Hosur, mandiya, Malur, Nanjangodu, hosur sipcot phase-1, phase visit us our website