Comparison of error limits

Fehlergrenzen

		Bottle-top burette Titrette®				Bottle-top burette acc. to DIN EN ISO 8655-3				Glass burettes Class A acc. DIN EN ISO 385
Volume ml	Partial volume ml	A*		CV*		A*		CV*		EL**
Volume ml	Partial volume ml	≤± %	≤± µl	≤ %	≤ µl	≤± %	≤± µl	≤ %	≤ µl	± µl
10	10	0.10	10	0.05	5	0.3	30	0.1	10	20
	5	0.20	10	0.10	5	0.6	30	0.2	10	20
	1	1.00	10	0.5.	5	3	30	1	10	20
25	25	0.07	18	0.025	6	0.2	50	0.1	25	30
	12.5	0.14	18	0.05	6	0.4	50	0.2	25	30
	2.5	0.70	18	0.25	6	2	50	1	25	30
50	50	0.06	30	0.02	10	0.2	100	0.1	50	50
	25	0.12	30	0.04	10	0.4	100	0.2	50	50
	5	0.60	30	0.20	10	2	100	1	50	50

* A = accuracy. CV = coefficient of variation
** EL = error limit (EL = A + 2CV)

The maximum resolution of the display:
10 ml instrument: 0.001 ml
25 ml instrument: 0.001 ml, above 20 ml titration volume 0.01 ml
50 ml instrument: 0.002 ml, above 20 ml titration volume 0.01 ml

Range of application

Fehlergrenzen

The instrument can be used for the following titration media (maximum concentration 1 mol/l):
Acetic acid	Iron (II) sulfate solution	Silver nitrate solution*
Alcoholic potassium hydroxide solution	Nitric acid	Sodium arsenite solution
Ammonium iron (II) sulfate solution	Oxalic acid solution	Sodium carbonate solution
Ammonium thiocyanate solution	Perchloric acid	Sodium chloride solution
Barium chloride solution	Perchloric acid in glacial acetic acid	Sodium hydoxide solution
Bromide bromate solution	Potassium bromate solution	Sodium nitrite solution
Cerium (IV) sulfate solution	Potassium bromide bromate solution	Sodium thiosulfate solution
EDTA solution	Potassium dichromate solution	Sulfuric acid
Hydrochloric acid	Potassium hydroxide solution	Tetra-n-butylammonium hydroxide solution
Hydrochloric acid in Acetone	Potassium iodate solution	Triethanolamine in Acetone*
Iodide Iodate solution*	Potassium permanganate solution*	Zinc sulfate solution
Iodide Iodate*	Potassium thiocyanate solution	* Use light shield inspection window

Chlorinated and fluorinated hydrocarbons or chemical combinations which form deposits may make the piston difficult to move or may cause jamming.

Compatibility of the instrument for a special application (e.g., trace material analysis) must be checked by the user. For additional information, please contact the manufacturer.

The instrument is not autoclavable!

This instrument is designed for titrating liquids, observing the following physical limits:

+15 °C to +40 °C of instrument and reagent
Vapor pressure up to 500 mbar
Viscosity up to 500 mm²/s
Altitude: maximum 3000 m above sea level
Relative humidity: 20% to 90%.