Brandtech-scientific Titrette Manual de usuario descargar pdf (Pagina 37)

English

This instrument is designed for titrating liquids,

observing the following physical limits:

– use temperature from +15 °C to +40 °C (59 °F

to 104 °F) of instrument and reagent

– vapor pressure up to 500 mbar

– viscosity up to 500 mm

– altitude: max. 3000 m above sea-level

– relative air humidity: 20% to 90%

Limitations of Use

Operating Limitations

Chlorinated and fluorinated hydrocarbons or chemi-

cal combinations which form deposits may make

the piston difficult to move or may cause jamming.

When working with crystallizing solutions follow

cleaning instructions (see pages 54 - 57).

Compatibility of the instrument for this special

application (e.g., trace material analysis) must be

checked by the user or contact the manufacturer.

Functions and Limitations of Use

2 micro-batteries, 1.5 V (AAA/UM4/LR03),

non-rechargeable.

Operating Exclusions

Battery Specifications

Never use this instrument for

– liquids attacking borosilicate glass, Al

, ETFE,

PFA, FEP, PTFE or platinum-iridium (e.g.,

hydrofluoric acid)

– suspensions (e.g., of charcoal) as solid particles

may clog or damage the instrument

– concentrated acids and bases as well as non-

polar solvents which effect swelling of plastics

(e.g., Toluene, Benzene)

– Carbon disulfide, as this media is highly

flammable

– The instrument must not be autoclaved!

– The instrument should not be used in an aggres-

sive atmosphere (e.g., HCl fumes).

Store the instrument and accessories only in

cleaned condition in a dry place.

Storage temperature: from -20 °C to +50 °C

(-4 °F to 122°F), relative air humidity: 5% to 95%.

Storage Conditions

The instrument can be used for the following titration media (max. conc. 1 mol/l):

Recommended Application Range

* Use light shield inspection windows (see page 44).

The above recommendations reflect testing completed prior to publication (Status as of 0514/4). Always follow instructions in the operating

manual of the instrument as well as the reagent manufacturer‘s specifications. Should you require information on chemicals not listed, please

feel free to contact BRAND.

Reagent

Acetic acid Iron (II) sulfate solution Potassium thiocyanate solution

Alcoholic potassium hydroxide

solution

Nitric acid Silver nitrate solution*

Oxalic acid solution Sodium arsenite solution

Ammonium iron (II) sulfate solution Perchloric acid Sodium carbonate solution

Ammonium thiocyanate solution

Perchloric acid in glacial

acetic acid

Sodium chloride solution

Barium chloride solution Sodium hydroxide solution

Bromide bromate solution Potassium bromate solution Sodium nitrite solution

Cerium (IV) sulfate solution

Potassium bromate bromide

solution

Sodium thiosulfate solution

EDTA solution Sulfuric acid

Hydrochloric acid Potassium dichromate solution

Tetra-n-butylammonium

hydroxide solution

Hydrochloric acid in Acetone Potassium hydroxide solution

Iodine solution* Potassium iodate solution Triethanolamine in Acetone*

Iodide Iodate solution*

Potassium permanganate solution* Zinc sulfate solution

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