BrandTech Scientific Dispensette TA - Manual (Page 28)

Store the instrument and accessories only in
cleaned condition in a cool and dry place.
Storage temperature: from -20 °C to +50 °C.
Storage Conditions
28
Functions and Limitations of Use
Select valves with platinum-iridium or tantalum valve springs, based on the intended application.
The instrument can be used for the following dispensing media:
Dispensing medium Valve springs: Pt-Ir Valve springs: Ta
Acetic acid + +
Ammonia solution + +
Bromine + +
Hydrochloric acid + +
Hydrofluoric acid* + -
Hydrogen peroxide - +
Nitric acid + +
Perchloric acid + +
Phosphoric acid + +
Sodium hydroxide, 30 % + -
Sulfuric acid + +
Water + +
+ suitable - not suitable
The above recommendations reflect testing completed prior to publication. 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. Status as of: 0414/2
Recommended Application Range
Discharge
tube
* Note:
Hydrofluoric acid reacts slightly with sapphire resulting in mildly elevated aluminum values. To reduce
these values we recommend discarding 3-5 dispensings of 2 ml each before performing the analysis.