LIBS is an OES method that uses a pulsed laser rather than a spark source, and the key to precise alloy chemistry with OES is argon purge. SciAps delivers portability* with our highly efficient Optipurge™ design.
Argon purge yields 10x or more signal strength and improved detection limits compared to air-burn methods. For carbon, because the 193.1 nm emission is so deep in the UV, the boost with argon is closer to 100x. Plus, oxygen quenches argon light; without argon, it simply wouldn’t be possible to achieve needed detection limits or measurement precision on C, Si, Cr and other transition or heavy metals, which are critical for reliable NDT, PMI testing.
The miniature, user-replaceable argon canister in the handle of the SciAps Z delivers typically 600 burns. (For carbon testing, as with most spark OES units, 2-3 burns are averaged for a final test result, which means each argon canister provides about 200 carbon tests.) When not in use, the canister is sealed to the regulator, so no gas is consumed. Costs are 1-3 cents per test, depending on how many tests you average. Compare this to OES, where the argon costs are 25 cents per test, and users must manage a cumbersome argon tank.
*For users who don’t need portability, our regulator attachment also mates to a larger belt-mounted argon canister or a standard stationary tank typical of spark OES analyzers.
What it does:
Includes the Z-902 Carbon for all your carbon testing needs – steels, carbon equivalents, L grades, cast irons, residuals, etc. Also includes the X-550, for excellent performance on stainless and high temperature alloys, brasses/bronzes and specialty alloys. The X-550 also delivers excellent performance for low atomic number elements Mg, Al, Si, P and S. Either the Z or the X-200 may be used for sulfidic corrosion applications..
What it won’t do:
Oxygen, hydrogen, nitrogen. The Z-902 Carbon measures O, H and N but not at levels low enough for PMI. X-ray cannot measure O, H or N at all.
5-7 sec. tests
3 sec. tests
Z-902 is less expensive, but it does not measure C.
3 sec. tests
LIBS is also faster.
to measure carbon.
measures carbon, Cr, Ni, Cu.
Use X-550 for aluminum, silicon bronzes.
X-50 does not measure Mg, Si, Al, P or S.
3 sec. tests.
LIBS will measure Be in copper alloys.
Must use X-550 to measure Mg, Si and Al for more precise aluminum PMI.
X-50 offers basic identification by Al series.
Must use LIBS if you want to measure lithium in Al alloys, or measure contaminant levels of Be and B.
The workhorse. For daily NDT/PMI activities where blazing speed on Si, P, S, Mg, and Al isn’t mission critical, the X-200 is the ideal choice. Fast, lightweight, and the best value on the market for high performance XRF testing.
Features the cost-effective PiN diode technology. If you only require verification of common stainless, Cr/Mo steels, low alloy steels, nickels, other high temp alloys, brasses, and bronzes, then save money and get the X-50. The X-50 will not measure Mg, Al, Si, P or S.