Ready-made Solutions
Buffer solutions that can be prepared in small batches from capsules,
tablets or powders, are called “fresh” because they are prepared at the
time of use. They are considered to be, but are not very precise. The
quality of buffer solutions produced depends onmany factors including
the quantity and quality of the chemicals and distilled water used in
production. Other important factors are the temperature and the
instruments used to prepare them.
Hannabuffersolutionsarecheckedcarefully, inanasepticenvironment
with the highest precision reference instruments, and are calibrated
to NIST Standards.
Hanna solutions are more convenient than the so-called “fresh”
solutions. The main standard buffer solutions produced by Hanna are
available in bottles or in sealed sachets, complete with or without a
certificate of analysis.
The following pages show the series of calibration solutions in the
various types of packages that will satisfy every application need,
while always guaranteeing a highly accurate buffer.
A Complete Range
The entire range of Hanna solutions include:
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pH buffer solutions
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Standard solutions for conductivity, TDS,
turbidity, salinity and ISE calibration
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ORP test and pretreatment solutions
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Reference fill solutions for refillable electrodes
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General and specific cleaning solutions for electrodes
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Solutions for electrode maintenance and storage
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Solutions for sample preparation
Solutions are available inmany sizes ranging from20mL sachets to 3.78
L (1 gallon) containers for large quantities used in laboratories.
For safety and traceability, all Hanna solutions are provided with a
label showing the batch number and expiration date.
Calibration and Cleaning Solutions
The fundamental use of calibration and cleaning solutions is to
correctly maintain electrode operation to assure accurate and
reproducible readings. Often, readings are not correct because the
sensors have not been properly handled. Using Hanna’s wide range
of solutions will help guarantee proper cleaning and calibration of
electrodes and probes for maximum performance.
Our application-engineered solutions have been produced with
reference instruments calibrated with NIST standards. Our range
of buffer and cleaning solutions have been extended with three
new lines: the HI50XX series of technical buffer solutions allows for
calibration of pH meters from 1.00 to 13.00 pH; the HI60XX series of
solutions with millesimal resolutions is available for pHmeasurements
with an accuracy of ±0.002 pH; finally, the HI70XX application specific
cleaning solutions available in bottles of 250 and 500 mL, as well as in
small sachets of 20 mL each.
A Wide Variety of Single
Dose Sachets
Get the best out of your instruments
using single dose Hanna calibration and
maintenance solutions. A wide range
of pH, conductivity, TDS and cleaning
solutions are available in the form of
practical 20 mL sachets.
Sachets are Practical, Safe
and Ready to Use
Single dose sachets are quick and easy
to use. Each sealed, light-tight sachet
holds just the right amount of solution.
Every time your instrument is calibrated
using these Hanna sachets, it is like
using a newly opened bottle of solution.
Combination Kits in Bottles and
Sachets
These kits are useful for multiparameter
instruments or for two-point calibration.
Table of Reference
Temperatures
All calibration solutions are provided with
a label presenting a reference table of the
relationship between pH or conductivity
values and temperature.
Bottles that Meet FDA
Standards
For accuracy over an extended period of time, ask for Hanna solutions in
FDA (US Food & Drug Administration) type light-tight bottles.
Certified Solutions
For those operators who request it, we provide standard solutions
complete with certificate of analysis. These certificates are prepared
in accordance with NIST standards to avoid any possible error in
determining the actual pH value.
HI50XX and HI60XX series solutions are provided with a certificate
of analysis. HI70XX series certified solutions are provided with
certificate/box.
Solutions in sachets (HI700xxC series) are also available with a
certificate of analysis. Just like in our bottled solutions, the certificate
shows the date of production, batch number and expiration date.
Safety Data Sheets
Download Safety Data Sheets (SDS) from our website at:
www.hannainst.com.
pH and ORP Solutions
2
pH
2.133
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solutions