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RSIL Home > Research > Laboratory Publications Sorted By Topic > LIMS for Light Stable Isotopes

LIMS for Lasers and LIMS for Light Stable Isotopes

What is "LIMS for Lasers"?

LIMS for Lasers is a Laboratory Information Management System (LIMS) for off-axis (OA-ICOS) and cavity ring-down (CRDS) laser absorption spectrometers (LAS) for δ2H and δ18O measurements of liquid water. LIMS for Lasers provides a convenient Windows environment to manage clients, projects, samples, and instrument data.

Key Features
  • Full client, project and sample management and reporting system
  • LAS sample analysis and lab standard calibration templates
  • Automated between-sample memory corrections
  • Automated instrumental drift correction and outlier identification
  • Automated normalization of data to the VSMOW-SLAP scales making use of RSIL water
    references available in cases of 144 glass ampoules per case
  • Track My Lab QA/QC for instrument and laboratory assessment
  • Excel client sample submission templates


User Benefits
  • Increased laboratory productivity by eliminating complex spreadsheets
  • Improved long-term performance through standardized approaches
  • Reduction of laboratory error in client and data management
  • Fully compatible with LIMS for Light Stable Isotopes


New Feature in LIMS for Lasers
  • LIMS for Lasers has a new H2O amount linearity correction feature that can result in substantially improved precision and accuracy for δ18O and δ2H measurements of waters. Variable sample water amounts in laser spectrometers typically result from underperforming high-precision syringes, and this can adversely affect isotopic results. By purposely adding groups of reference waters having different injection volumes, linear isotopic response corrections can be automatically applied to the samples using LIMS for Lasers. This feature is enabled for the newest (2014) Los Gatos Research instruments, and for all generations of Picarro instruments. An updated LIMS for Lasers manual describing how to implement this feature for each instrument will be made available online soon.

LIMS for Lasers is built upon the Microsoft Access code of LIMS for Light Stable Isotopes and can be used concurrently on an existing back-end database. This software is a result of a collaborative effort between the IAEA Isotope Hydrology Laboratory and the U.S. Geological Survey. Currently, OA-ICOS instrumentation is offered by Los Gatos Research Inc. and CRDS instrumentation is offered by Picarro Inc.

    What is "LIMS Data Viewer"?

    The U.S. Geological Survey has partnered with the IAEA Isotope Hydrology Laboratory (IHL) to offer LIMS Data Viewer, an optional companion utility to LIMS for Lasers that can be used in trusted teams, departmental settings, or laboratory group settings. This utility allows network-connected laboratory clients (e.g. co-workers, colleagues, managers) to have read-only access to the LIMS for Lasers backend database from their desktops, but without any capacity to edit or alter information in the database.

    Key Features
    • View and extract current laboratory workload and client projects
    • View their projects and analysis status
    • Download or export their project data to Excel or print a report
    • Reduce need for phoning the laboratory concerning sample or project status

      What is "LIMS for Light Stable Isotopes"?

      LIMS for Light Stable Isotopes is a mature LIMS for both LAS and isotope-ratio mass spectrometers (IRMSs), and it has proven useful in laboratories that receive samples from numerous individuals or perform at least a few thousand isotopic analyses per year.

      Key Features
      • All the features of LIMS for Lasers listed above
      • Developed for a variety of media (carbonates, sulfates, nitrates, gases, etc.)
      • Compatible with all IRMS software such as ISODAT, MassLynx, IonVantage, VG Optima/Prism, Nu Instruments, etc.

        Obtaining LIMS for Lasers

        • Latest Manual & Tutorial, in pdf format (7 MB)
        • Latest Front End, for use under Microsoft Office 2010 (32-bit only) or Office 2007 (Note, LIMS is not compatible with 64-bit Microsoft Office 2010), in ZIP format (3.5 MB)
        • Latest Back-end Database for Los Gatos Research instruments, in ZIP format (0.25 MB)
        • Latest Back-end Database for Picarro instruments, in ZIP format (0.25 MB)
        • Latest IAEA Excel water sample submission file, in ZIP format (0.2 MB)
        • Latest Alternative Excel water sample submission file, in ZIP format (0.2 MB)

        Obtaining LIMS Data Viewer

        • Latest Front End, for use under Microsoft Office 2010 (32-bit only) or Office 2007 (Note, LIMS is not compatible with 64-bit Microsoft Office 2010), in ZIP format (1.6 MB)

        Obtaining LIMS for Light Stable Isotopes

        The LIMS for Lasers Manual & Tutorial contains a wealth of information. New users of LIMS for Light Stable Isotopes should benefit greatly by consulting it first.

        • Latest Front End for Office 2010 (32-bit only), in ZIP format (5 MB)
        • Latest Front End for Office 2007, in ZIP format (5 MB)
        • Example Sample Submission Excel file with new (2012) country/location and state/province codes, in ZIP format (0.2 MB)

        If you are a first time user, please contact Tyler Coplen at tbcoplen@usgs.gov for a back-end database, a LIMS Tutorial, a LIMS Implementation Guide, examples of imported and exported files, and other information.



        Reference in this site to any specific commercial product, process, or service, or the use of any trade, firm or corporation name is for the information and convenience of the public, and does not constitute endorsement, recommendation, or favoring by the USGS.