NEXTChem Process
Analyzers, Inc.
NEXTChem Process Analyzers, Inc.
NEXTChem is
located in Elmhurst IL
U.S.A.
Our Mission is to
build, support and
continuously improve
the Best Process
Analyzers in the
World!
NEXTChem Process Analyzers, Inc.
What makes NEXTChem Analyzers different?
Sampling never requires a filter,
decreasing maintenance and increasing
reliability
Modern electronics makes programming
through the User-Interface very simple
Using the latest innovations in stepper
motor control for precise chemical
analyses
Combining Multiple Chemical Analyses
with Multiple Sample Streams within a
single unit
NEXTChem Process Analyzers, Inc.
Types of Measurement Techniques
Titration Endpoint
Determination
(sulfite in sea water)
Standard Addition Ion
Selective Electrodes
(ammonia in wastewater)
NEXTChem Process Analyzers, Inc.
Types of Titrations
Acid / Base
Redox
Complexation
Precipitation
Color
-Acetic Acid
-Sulfide
-Cyanide
-Chloride
-Hardness
Three Types of Ion Selective Electrodes
Solid State Membrane:
The membrane is an insoluble crystal of the ion to
be determined.
Example: Fluoride, Silver/Sulfide, Chlorine
Gas Permeable Membrane:
A gas permeable membrane separates the
sample from the sensor, commonly pH electrode.
Example: Ammonia, Carbon Dioxide
Neutral Carrier Membrane:
The membrane contains an ion specific
complexing agent.
Example: Nitrate, Potassium
Color Measurements
Color Dip Probe is used for the measurement:
630 nm Red, 590 nm Yellow, 520 nm Green, and 470 nm Blue
The following analyses can be done with the color measurements:
Total Hardness and Calcium Hardness
NEXTChem Process Analyzers, Inc.
HANDYChem
4 Chemical Analyses / 4 Sample Points (industrial/municipal)
ECOChem
2 Chemical Analyses / 2 Sample Points (municipal)
NEXTChem Process Analyzers, Inc.
CHIPChem
4 Chemical Analyses / 4 Sample Points (semiconductor fabs)
MICROChem
2 Chemical Analyses / 1 Sample Point (semiconductor fabs)
NEXTChem Process Analyzers, Inc.
TITTREChem
8 Titration Analyses / 4 Standard Addition Analyses
No Sample System (manual sample collection)
Many Analyses Available
Ammonia (NH3), Nitrate (NO3-), Sulfide (H2S)
(Wastewater)
Sulfite (SO3-2), Chlorine (Cl2)
(Petroleum)
Acetic Acid (CH3COOH), Nitric Acid (HNO3)
(Chemical)
Hardness (Mg+2 & Ca+2), Fluoride (F-)
(Drinking Water)
Hydroxide Peroxide (H2O2), Caustic (NaOH)
(Textile)
F/T Acid (H3PO4), F/T Alkalinity (H2CO3)
(Metal Finishing)
Copper (Cu+2), Silver (Ag+), Cyanide (CN-)
(Mining)
Ozone (O3), ABC Analysis (S-2/NaOH/CO3-2)
(Pulp/Paper)
NEXTChem specializes in automating Wet Chemical Analyses!
Industrial Experiences
Robert Bosch Wiper Systems: Tienen, Belgium
Customer’s Sample: 2.40 g/L chlorine (Cl2) in water
Measurement: every 10 minutes
Accuracy: + 0.2% relative standard deviation
Measurement Cell
Dilution Measurement Cell
Non Dilution Measurement Cell
Sample Systems
Sample Systems
Micro Dilution: 0.25 mL - 2.00 mL
(<0.1mm particles)
Standard Dilution: 5.0 mL - 30.0 mL
(<2mm particles)
Standard Non-Dilution: 90 / 140 mL
(<3mm particles)
Self-Cleaning Non-Dilution: 90 / 140 mL (<6mm particles)
Self-Cleaning Dilution: 5.0 mL – 30.0 mL(<6mm particles)
All Sample Systems are available for all
HANDYChem/ECOChem series analyzers.
The MICROChem/CHIPChem series analyzer exclusively
use Micro Dilution
The TITREChem has no sample system
NEXTChem Process Analyzers, Inc.
Why not filter the sample?
Filters must be changed
frequently
Increases Maintenance Lowers
Reliability
Creates a “fake” Sample
“The best filter is no filter”
Rob Baur
Clean Water Services
WEFTEC 1998
Self-Cleaning Sample Valve
This valve makes
sampling < 6mm
particles possible.
Most common use is
in sewage plants.
Standard Non-Dilution Sample System
Used with Clean and
Low Concentration
Samples
Commonly used in
Drinking Water/Final
Effluent Applications
Standard
Dilution
Sample System
Sample
Panel Materials
Teflon FEP tubing
used in sample panel
construction
PVDF is be used for
the valve bodies and
fittings
Commonly used in
Metal Finishing Plants
SC Valve
Dilution
System
Sample
Panel Sample
Materials
Polypropylene SC
Valve ¾” NPT sample
opening
PVDF is be used for
the valve bodies and
fittings
Commonly used in
Mining, Pulp & Paper,
and Sugar Applications
Sample Panel Materials
Micro-Dilution
Sample System
Used with very clean
and very high
concentration samples.
All “wetted surfaces”
PEEK or Teflon
Commonly used in the
Semiconductor Industry
and Chemical Plants
Modern Electronics
Why use 1980’s electronics found in most online analyzers, when you can have modern
electronics?
Modern Electronics
Modbus is standard on all NEXTChem Analyzers.
Additional Industrial Networks Available
Profibus – DP
DeviceNet
CANopen
ControlNet
LonWorks
CC – Link
FIPIO
Phone Modems and Radio Modems can also be added
True Remote Access and Control
The analyzer is assigned an IP address and connected
to the plant network.
All the screens on the touch screen are available and
interactive, making remote changes possible.
Installed at Eastman Chemical in Kingsport, TN USA.
Easy to use touchscreen !
NO MORE PUSH BUTTONS!
Bright Backlight makes the User Interface easy to read
Precision Reagent Pump
7.500 mL stroke volume
Accuracy + 0.001 mL
Kalrez Seal for long life (1 year)
Communications confirmed with each
movement
Stepper Motor with 8335 steps/mL or
0.00012 mL/step
Corrosive Environments
 NEMA 4X (IP66) Fiberglass
Enclosure
 Either a Z-Purge, X-Purge, or
ATEX-Purge can be supplied
 Z-Purge (Class 1 Div 2)
 X-Purge (Class 1 Div 1)
 ATEX-Purge (Zone 2)
Rugged Electronics
 Circuit Breaker for the Power Inlet
 Power Filter for the main power in 110 VAC or 220 VAC
 Fuses 5mm x 20mm for all internal/external devices
 All analog inputs have 1.5 kV isolation
 All analog outputs can have 1.5 kV isolation
 Industrial Relays with diode protection and easy to replace
Dynamic Electrode Output Display
 Electrode measurements are displayed during each
analysis
 This information is invaluable in determining if the
analyzer is operating correctly at a glance
Thank You !
NEXTChem Process Analyzers, Inc.
513 W. Wrightwood Ave
Elmhurst, IL 60126 USA
Main Office Phone
(630) 782-6400
Main Office Fax
(630) 782-6430
Mobile Phone
(847) 274-7122
Visit us on the web at: www.nextchem-analyzers.com