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The BWB SOIL Flame Photometer

Highly accurate and cost effective analysis in the lab
or 'on the road'

 

Potassium is essential to plant growth, fertilizers and soil substrates have been analysed using flame photometry for decades. Building upon 2017 research papers conducted by Professor Akiharu Sasaki for the specific use of flame photometer analysis in the agricultural industry over and above other methods of analysis the BWB SOIL Flame Photometer was born.

This unique instrument has been designed and developed in conjunction with various field requests and operational requirements for the specific analysis of fertilizers and soil substrates. Building upon the footprint of the award winning BWB XP instrument the SOIL offers all the benefits of our base product optimized over and beyond the requirements for analysis in the agricultural industry.

The SOIL instrument offers enhanced Ca detection alongside Sodium and Potassium with the option to utilize Lithium as an internal reference standard.

The ease of portability of this instrument and ‘Just add Gas’ configuration allows the instrument to be set up in the back of a van and conduct field analysis on site at various geographical locations. With a thermal printer fitted as standard, traceability for sample analysis is maintained throughout.

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The BWB SOIL is the first instrument of its kind optimized for the agricultural industry. 

FEATURES

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  • SIMULTANEOUS DETECTION AND DISPLAY OF ALL 4 ATOMS OF INTEREST 
     

  • “IRS” (INTERNAL REFERENCE STANDARD) AVAILABLE
     

  • INTUITIVE USER INTERFACE FOR TRUE EASE OF USE 
     

  • DISPLAY PROMPTS STEP BY STEP OPERATION 
     

  • BUILT-IN AIR COMPRESSOR 
     

  • SOLUTIONS AND LABWARE INCLUDED
     

  • DATA SHARING VIA PC LINK 
     

  • OPERATOR INDEPENDENT DETERMINATION OF RESULTS 
     

  • 4 USER SELECTABLE UNITS OF MEASURE 
     

  • USER SELECTABLE DECIMAL PLACES
     

  • INTEGRATED PRINTER USES READILY AVAILABLE PAPER 
     

  • IQ, OQ, PQ WEB-BASED CERTIFICATION AVAILABLE 
     

  • CAN BE USED WITH EITHER THE BWB COLLECTION CUP FEATURE OR OUR AFHS AUTOMATED SAMPLE HANDLING SYSTEM

 

  • CORRECTION OF CA FOR THE INTERFERENCE FROM HIGH LEVELS
    ​OF NA

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Technical Data

Sample rate 

2 –3.5ml/min
 

Tubing materials 

Silicone and Tygon®  
 

Required desk space for Instrument  

50cm (H) x 45cm (W) x 45cm (D)*

For Safety reasons the Flame photometer requires 1m of unobstructed space above to allow dissipation of heat from the chimney.
 

Instrument size 

Wine Flame Photometer
51cm (H) x 38cm (W) x 41cm (D)
(20in x 14in x 16in)
 

Shipping
62cm (H) x 55cm (W) x 47cm (D)
(24in x 22in x 19in)
 

Weight 

Wine Flame Photometer – 15.3kg

Shipping – 25kg
 

Optimal range

Single point calibration

Na 0.1 – 60ppm 

K 0.05 – 100ppm 

Ca 1.0 – 100ppm 
 

Multi Point Calibration

Na 0.1 – 1000ppm 

K 0.05 – 1000ppm  

Ca 1.0 – 1000ppm
 

Reproducibility 

<1% Coefficient of variability for 20 consecutive samples over ten minutes at concentrations of 100ppm or less. (After instrument stabilisation). 

Specificity 

Na/K/Li = <0.5% to each other when
equal in concentration at <100ppm
 

Limit of detection (LOD) and
limit of quantification (LOQ) displayed 

LOD                      LOQ        

Na – 0.03ppm     Na – 0.1ppm

K – 0.02ppm       K – 0.05ppm

Ca – 0.3ppm       Ca – 1ppm
 

Time to stability 

Less than 15 seconds after sample
is introduced into the flame
 

Ions measured  

Simultaneous measurement of Na, K, and Ca

Interfaces  

USB

0-2.5 volt output (based on sample concentration linked to element of users choice)

Optional 4-20mA output in place of the above

Optional integrated printer

.CSV and .PDF generated reports and files via FP-PC software
 

Recommended minimum warm up
time based on ambient temperature  

21ºC – 40 minutes   
 

Power requirements   

100V – 250V AC at 50 or 60Hz
automatically selecting 
 

Fuel requirement    

Propane, Butane or Natural Gas*
regulated to 19Bar. Flow rate of 0.4l/min

*with modifications. BWB Technologies recommends either Propane or Butane for optimum results.
 

Readout  

LCD, four line, alpha numeric, back lit.

WHAT’S IN THE BOX

​

 

  • PC Leads USB and RS232

  • Selection of 3 Power cables to suit
    all regions 

  • Gas Hose

  • Propane Adapter

  • Aspiration Kit

  • Manuals covering all aspects
    of the Soil FP 

  • Quick Start guides 

  • Warranty Registration Form 

  • Certificates of analysis for all provided Fluids 

  • Material Safety Data Sheets for all provided Fluids 

  • The FP-PC Software installation USB 

  • 1L of BWB recommended
    cleaning solution 

  • 150ml calibration fluids for all
    4 elements at 10,000ppm.

  • 100ml conical flask with screw lid

  • 100 disposable sample cups 

  • 1L of De-Ionised water

  • 2m of waste tube

  • Set of spare fuses

  • 10 x 10ml pipettes 

  • 10 x 1ml pipettes

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