density & sedimentation & temperature & time & pH & weight measurement
pH BUFFER SOLUTIONS
Ready to use pH buffer solutions with color coding, accuracy +/- 0,01 pH at 20°C. Traceable to NIST, packed in unique designed, practical twin-neck dosing bottles! Unique and innovative design of the “twin neck” dosing bottles offers multiple advantages: No need for a separate measuring container during calibration. No waste of buffer since exact and correct quantity of buffer is dispensed into the calibrating chamber at all times. Ideally suited for field work and easy to carry. Operation is simple, fast and easy; Open safety lock of the integrated calibration chamber. Fill calibration chamber from buffer resorvoir by pressing the bottle gently. Calibrate pH electrode then discard used buffer solution. Bottle is now ready for the following use.
catalogue number 502.04.500 502.04.901 502.07.500 502.07.901 502.10.500 502.10.901
pH range
pack quantity 1 piece 1 piece 1 piece 1 piece 1 piece 1 piece
color red red yellow yellow
volume 500 ml 1000 ml 500 ml 1000 ml 500 ml 1000 ml
4.00 4.00 7.00 7.00
Fill calibration chamber from buffer resorvoir by gently pressing the bottle.
Then discard used buffer solution. Bottle is now ready for the following use.
10.00 10.00
blue blue
Calibrate pH electrode.
pH BUFFER SOLUTIONS
Ready to use pH buffer solutions at 20°C. Measured with a combination glass electrode after multiple point calibration with reference materials. It is certified traceable to the following National Institute of Standards and Technology (USA).
catalogue number
pH range
volume (ml)
box quantity
thecnical specifications (hydrochloric acid, potassium chloride) (glycine, hydrochloric acid, sodium chloride) (potassium hydrogen phthalate, hydrochloric acid) (potassium hydrogen phthalate) (potassium hydrogen phthalate, 1m sodium hydroxide.) (potassium di-hydrogen orthophosphate, disodium hydrogen orthophosphate) (potassium di-hydrogen phosphate, disodium hydrogen phosphate)
908.B01.1000 908.B02.1000 908.B03.1000 908.B04.1000 908.B05.1000 908.B06.1000 908.B07.1000 908.B08.1000 908.B09.1000 908.B10.1000 908.B11.1000
1.00 ± 0.02 2.00 ± 0.02 3.00 ± 0.02 4.00 ± 0.01 5.00 ± 0.01 6.00 ± 0.01 7.00 ± 0.01 8.00 ± 0.01 9.00 ± 0.01 10.00 ± 0.01 11.00 ± 0.05
1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000
1 piece 1 piece 1 piece 1 piece 1 piece 1 piece 1 piece 1 piece 1 piece 1 piece 1 piece
(di-sodium tetraborate, 1m hydrochloric acid) (di-sodium tetraborate, 1m hydrochloric acid.) (di-sodium tetraborate, 1m sodium hydroxide) (glycine, sodium chloride, sodium hydroxide)
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