BlueLab BLU4250 PH 4.0 Calibration Solution, 250 milliliters lab-Chemical-Standards, 500, Clear

BlueLab BLU4250 PH 4.0 Calibration Solution, 250 milliliters lab-Chemical-Standards, 500, Clear

• Ph Instruments Are Calibrated To Ph 7.0 First (Buffer) Then To Ph 4.0 (Slope)
• Store In A Cool Place Out Of Direct Sun And Heat
• They Should Be Stored With The Lids Securely Tightened
• No Assembly Required

PH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration Solutions should be stored in a cool place out of direct sun and heat. They should be stored with the lids securely tightened.