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The Picarro L2130-i isotope analyzer provides high quality measurements of water stable isotopes for demanding applications such as paleoclimatology, hydrology, and oceanography. δ¹⁸O and δ²H high-precision measurements can be made with water samples from liquids, vapor, and solids, using a variety of Picarro peripherals.

• High-precision measurements of δ¹⁸O and δ²H
• Minimal drift: calibrate once per day while measuring with sub per mil certainty
• Flexibility to measure water samples from liquids, vapor, and solids
• Small footprint, robust design, and intuitive user-interface

Precision with a liquid sample is guaranteed to be 0.025/0.1‰ for δ¹⁸O/δ²H, and drift, over 24 hours, is guaranteed to be 0.2/0.8‰ for δ¹⁸O/δ²H. Vapor specifications include a measurement range from 1,000 to 50,000 ppm, with guaranteed precision at 2,500 ppm of 0.250/0.080‰ for δ¹⁸O (for 10/100 seconds) and 1.600/0.500‰ for δ²H (for 10/100 seconds), and guaranteed precision at 12,500 ppm of 0.120/0.040‰ for δ¹⁸O (for 10/100 seconds) and 0.300/0.100‰ for δ²H (for 10/100 seconds).

New Measurement Modes on L2130-i and L2140-i Analyzer Offers Higher Throughput

New 'Express mode' will allow measurements of up to 50 samples per day while maintaining excellent precision.

The new 'Survey mode' will allow measurements of up to 150 samples per day. Table 1 preliminarily compares the performance of the existing modes with our new methodologies for increased throughput.

Table 1: Comparison of preliminary results of measurement modes

Explore the Water Isotope Analysis Resource Center