InfraCal 2 ATR-SP - Oil In Water/Soil Analyzer

 
The InfraCal Model ATR-SP is recommended for measuring oil in water, TPH in soil or FOG in wastewater concentration levels when using hexane, pentane or Vertrel MCA as the extracting solvent. Measurement data obtained with this analyzer will correlate to EPA Method 1664 as both procedures are based on evaporation techniques and measuring the residual oil and grease. The analyzer is equipped with a built-in cubic zirconia horizontal attenuated total reflection (HATR) stainless steel sample stage. The InfraCal 2 ATR-SP is a direct replacement for the original InfraCal HATR-T2 used worldwide for the determination of TOG/TPH in water and soil.

  • Minimum Detection Limit Water: 0.3 ppm
  • Minimum Detection Limit Soil: 3 ppm
  • Method Compares: EPA 1164 & ISO 9377-2
  • Solvents: Hexane, pentane, cyclohexane & Vertrel MCA
  • HIGHLIGHTS
  • Resources
  • VIDEOS
  • FAQs

As offshore oil wells age, the increase of produced water challenges wastewater treatment systems.  In order to ensure oil levels in the water are under the regulatory limit, it is important to do regular testing.  Infrared analysis has been used for off-shore oil in water measurements for over 45 years.  Infrared is an accepted oil content measurement as it is least affected by changes in produced water composition.

For industrial pretreatment of wastewater and public water treatment plants a simplified procedure for monitoring FOG discharges can avoid fines, sanitary sewer overflows (SSOs) and give on-site results in less than 15 minutes rather than waiting days or weeks for an off-site laboratory result.

The InfraCal 2 has added features such as touch screen display, data storage and transfer, a multi-language interface and password protected settings.  The internal battery pack allows for portability and up to 6 hours continuous use.

Click here to view the ATR-SP FAQs

Operating Principle

The InfraCal 2 ATR-SP analyzer is designed to measure solvent extractable material (oil and grease) by infrared determination in water or soil using hexane, pentane, cyclohexane or Vertrel MCA for the extraction procedure. A detector with a fixed 3.4 μm (2940 cm-1) filter is used to measure oil and grease concentrations. The ATR-SP correlates with EPA Methods 1664 as well as with the ASTM D7066 Method and EPA 413.1 and 418.1.  

The ATR-SP makes use of the fact that oil and grease can be extracted from water or soil through the use of an appropriate solvent and extraction procedure. The extracted hydrocarbons absorb infrared energy at a specific wavelength and the amount of energy absorbed is proportional to the concentration of hydrocarbons in the solvent. The analyzer can be calibrated to read out directly in the desired units such as %, ppm, mg/L or mg/kg.  

The touchscreen display includes the capability for multiple calibrations, a wizard guide for calibration, multilevel user database, multiple languages with user preference selection, high/low alarm and control limits, and measurements stored in a history table for recall or export to a flash or serial port.

Specifications

Item Specifications
Analytical Wavelength/Wave Number 3.4 µm, 2930 cm-1
Power Requirements 18 volts DC, 3.3 amps, internal battery pack available
Power Supply Universal AC/DC provided
Weight 5.8 lb. (2.6 kg) with battery -7.0 lbs (3.2 kg)
Dimensions (17 cm) x 7.8" (19.8 cm) x 5.2" (13.2 cm)
Suggested Operating Range 5°C - 40°C
Measurement Range
For Water 0.3-2000+ ppm
0.3-15+%
For Soil 3-2000+ ppm
0.3-15+%
Analysis Time 10-15 minutes, including extraction process
Instrument Repeatability ±0.3 ppm
Communication Port USB

New High Range Measurement of Oil In Water or Soil

The InfraCal 2 analyzer with an ATR sample stage can now be used for measuring the 0.5-10% range of oil in water or soil. The sample is extracted using a solvent that does not have an infrared absorbance at the hydrocarbon wavelength and, therefore, does not require evaporation. Measuring the extract directly in the solvent, instead of evaporating off the solvent, allows for percent range measurements with the same ATR sample stage used to measure the ppm levels.

  • Measurement Range Water: 0.5 – 10%
  • Measurement Range Soil: 0.5 – 10%
  • Solvents: S-316, Tetrachloroethylene
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AppNote High Range Oil in Water ATR-SP
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AppNote High Range Oil in Soil ATR-SP
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InfraCal ATR-SP Calibrations & Accessories
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Sources for Solvents
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Case Study: A Major Municipal Laboratory Reduces FOG Measurement Time from 24 Hours to 10 Minutes
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Measuring Oil In Water & Soil Brochure
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FOG in wastewater Datasheet
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Analysis of Produced or Flowback Water Datasheet
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White Paper: Comparing Oil in Water Methods
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Extended Measurement Ranges for Testing Oil Content in Water
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White Paper: Technology Options for Monitoring Oil in Produced Water
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White Paper: Solvent Choices for Infrared testing
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White Paper: Infrared Analysis Reduces EPA FOG testing
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White Paper: Emulsion Breaking Techniques
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New ASTM D7066-04
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InfraCal 2 Solvent Selection Guide
Title
Document
Download
AppNote High Range Oil in Water ATR-SP
DocumentAB-0145
Download Link Download
AppNote High Range Oil in Soil ATR-SP
DocumentAB-0146
Download Link Download
InfraCal ATR-SP Calibrations & Accessories
DocumentAB-0147
Download Link Download
Sources for Solvents
DocumentAB-0148
Download Link Download
Case Study: A Major Municipal Laboratory Reduces FOG Measurement Time from 24 Hours to 10 Minutes
DocumentAB-0149
Download Link Download
Measuring Oil In Water & Soil Brochure
DocumentAB-0150
Download Link Download
FOG in wastewater Datasheet
DocumentAB-0151
Download Link Download
Analysis of Produced or Flowback Water Datasheet
DocumentAB-0152
Download Link Download
White Paper: Comparing Oil in Water Methods
DocumentAB-0153
Download Link Download
Extended Measurement Ranges for Testing Oil Content in Water
DocumentAB-0154
Download Link Download
White Paper: Technology Options for Monitoring Oil in Produced Water
DocumentAB-0155
Download Link Download
White Paper: Solvent Choices for Infrared testing
DocumentAB-0156
Download Link Download
White Paper: Infrared Analysis Reduces EPA FOG testing
DocumentAB-0157
Download Link Download
White Paper: Emulsion Breaking Techniques
DocumentAB-0158
Download Link Download
New ASTM D7066-04
DocumentAB-0159
Download Link Download
InfraCal 2 Solvent Selection Guide
DocumentAB-0160
Download Link Download

Which solvents can be used with the ATR-SP?
The most common solvents used with the InfraCal 2 ATR-SP are Hexane and Pentane.  However, the ATR-SP can be used with any volatile hydrocarbon solvent with low evaporation residue.

How much solvent do you need for an analysis?
The required amount of solvent is dependent on the measurement range.  For calibrations using a 10:1 extraction ratio the measurement typically requires 10 – 25 ml of solvent depending on the sample size.  For calibrations using a 1:1 extraction ratio the measurement typically requires 25  - 100 ml of solvent depending on the sample size.

Click here for more ATR-SP FAQs

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