Everything at your fingertips: carbon, carbon equivalent and residual elements.
Sciaps Z Series - compliant with API RP 578
Portable analyzer that measures carbon in steels, stainless steels and other alloys. It boasts SciAps patented LIBS technology in an analysis environment in the presence of argon gas. Lightweight, compact with high precision, there are no limits to the places where you can use it and it detects carbon, silicon and metal alloys in a few seconds.
SciAps Z200C LIBS (laser) is the only portable analyzer capable of measuring every element and meeting all residual requirements for HF alkylation units in refineries.
Z200C can determine the sum of Cr, Ni and Cu with the following conditions:
If carbon <0.18%, then Ni + Cu <0.15%
If carbon> = 0.18%, then Cr + Ni + Cu <0.15%.
and also determine the additional elements and constraints:
Nb + V <0.03%
CE (carbon equivalents) <0.43
Historically, operators have used portable X-ray guns to perform positive material identification (PMI) for HF alkylation units. While portable X-rays are unable to measure carbon content, it has been preferred because it is much easier to use and much more portable than carbon-grade spark OES technology. What has changed is that now portable LIBS technology puts the power of the OES spark into a PDA and can measure carbon in addition to other metals including Cr, Ni, Cu. The advantage of the portable LIBS is that if C <0.18%, the more relaxed RE requirement of Ni% + Cu% <0.15% can be used
How does LIBS technology work?
LIBS = Laser Induced Breakdown Spectroscopy (Laser induced plasma spectroscopy).
LIBS technology allows to perform both qualitative and quantitative analyzes, through the optical spectrum emitted by the plasma generated by the interaction between a high power laser radiation and the sample. In the most common case, the sample will be a metal alloy, steel, stainless steel. During the expansion of the plasma, the inelastic collisions of the electrons with the heavy particles guide the main transition processes of the binding electrons between the various energy levels, while the concentration of the charged particles inside the plasma is controlled by the ionization processes for electronic impact and three-body recombination. One of the advantages and convenience is the use of the sample without the need for pre-treatment.
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