--- title: Elemental Insights | rapid slag description: rapid slag | The QuantoLux blog “Elemental Insights” provides insights into the world of laser spectrometry. LIBS is an OES analysis technique with great potential. --- [Skip to content](https://quantolux.de/en/blog/tag/rapid-slag#main-content) [![Small_ql-logo_RGB2 - 250px-1](https://quantolux.de/hs-fs/hubfs/Small_ql-logo_RGB2%20-%20250px-1.png?width=360&height=72&name=Small_ql-logo_RGB2%20-%20250px-1.png)](https://quantolux.de/?hsLang=en) - [Home](https://quantolux.de/en/) - Products Show submenu for Products - [Product Overview](https://quantolux.de/en/products) - [AlloyChecker](https://quantolux.de/en/alloychecker) - [QLX1](https://quantolux.de/en/qlx1) - [QLX9](https://quantolux.de/en/qlx9) - [QLX 4.0 Software](https://quantolux.de/en/products-qlx-software) - [Case Studies](https://quantolux.de/en/case-studies) - [Contact](https://quantolux.de/en/contact) - [News](https://quantolux.de/en/blog) - [About](https://quantolux.de/en/about) Open main navigation Close main navigation - [Home](https://quantolux.de/en/) - Products Show submenu for Products - [Product Overview](https://quantolux.de/en/products) - [AlloyChecker](https://quantolux.de/en/alloychecker) - [QLX1](https://quantolux.de/en/qlx1) - [QLX9](https://quantolux.de/en/qlx9) - [QLX 4.0 Software](https://quantolux.de/en/products-qlx-software) - [Case Studies](https://quantolux.de/en/case-studies) - [Contact](https://quantolux.de/en/contact) - [News](https://quantolux.de/en/blog) - [About](https://quantolux.de/en/about) - [Contact us](https://quantolux.de/en/contact) [Contact us](https://quantolux.de/en/contact?hsLang=en) # Elemental Insights - the QuantoLux News How LIBS is Revolutionizing Material Analysis ... and more [![slag sample before crushing - a ranking on how to evaluate the slag composition](https://quantolux.de/hubfs/grafik-png-Dec-23-2025-08-30-29-5377-AM.png)](https://quantolux.de/en/blog/fast-slag-analysis-methods-compared-simulation-oes-and-xrf) ## [Fast Slag Analysis Methods Compared: Simulation, OES, and XRF](https://quantolux.de/en/blog/fast-slag-analysis-methods-compared-simulation-oes-and-xrf) Jun 10, 2026, 12:43:41 PM In modern steelmaking, fast slag analysis is essential for maintaining quality, controlling costs, a... [Read article](https://quantolux.de/en/blog/fast-slag-analysis-methods-compared-simulation-oes-and-xrf) [![](https://quantolux.de/hubfs/Screenshot%202025-10-24%20085814.png)](https://quantolux.de/en/blog/oes-vs.-xrf-for-slag-analysis-which-method-is-right-for-modern-steelmaking) ## [OES vs. XRF for Slag Analysis: Which Method Is Right for Modern Steelmaking?](https://quantolux.de/en/blog/oes-vs.-xrf-for-slag-analysis-which-method-is-right-for-modern-steelmaking) Jun 10, 2026, 11:21:55 AM In short Accurate slag analysis is critical in the steel industry for process control, efficient use... [Read article](https://quantolux.de/en/blog/oes-vs.-xrf-for-slag-analysis-which-method-is-right-for-modern-steelmaking) [![](https://quantolux.de/hubfs/Screenshot%202026-06-08%20094247.png)](https://quantolux.de/en/blog/why-lf-slag-is-the-hidden-side-of-secondary-metallurgy) ## [Why LF slag is the hidden side of secondary metallurgy](https://quantolux.de/en/blog/why-lf-slag-is-the-hidden-side-of-secondary-metallurgy) Jun 10, 2026, 9:07:02 AM Read the EAF version here... Picture Source: Niloy Tanvirul More than 90% of liquid steel produced t... [Read article](https://quantolux.de/en/blog/why-lf-slag-is-the-hidden-side-of-secondary-metallurgy) [![](https://quantolux.de/hubfs/image-png-Jun-02-2026-12-13-09-1477-PM.png)](https://quantolux.de/en/blog/new-publication-false-savings-in-melt-shop-slag-management) ## [New Publication - False Savings in Melt Shop Slag Management](https://quantolux.de/en/blog/new-publication-false-savings-in-melt-shop-slag-management) Jun 5, 2026, 11:05:49 AM 1% excess FeO costs around 0.30 USD per ton of liquid steel. That sounds like a small deviation. Acr... [Read article](https://quantolux.de/en/blog/new-publication-false-savings-in-melt-shop-slag-management) [![](https://quantolux.de/hubfs/EAF%20-%20comparing%20two%20process%20control%20strategies.png)](https://quantolux.de/en/blog/eaf-slag-optimization-the-tricky-balance-from-diagnosis-to-control) ## [EAF Slag Optimization – The Tricky Balance: From Diagnosis to Control](https://quantolux.de/en/blog/eaf-slag-optimization-the-tricky-balance-from-diagnosis-to-control) May 27, 2026, 3:37:13 PM Read the LF version here... Why slag chemistry has become a moving target Electric arc furnace (EAF)... [Read article](https://quantolux.de/en/blog/eaf-slag-optimization-the-tricky-balance-from-diagnosis-to-control) [![EAF sampling](https://quantolux.de/hubfs/AdobeStock_647667601-jpeg.jpeg)](https://quantolux.de/en/blog/meeting-notes-why-xrf-slag-analysis-is-the-future) ## [Case-Closed. Meeting notes from a meltshop.](https://quantolux.de/en/blog/meeting-notes-why-xrf-slag-analysis-is-the-future) May 19, 2026, 12:24:37 PM Nothing needs to change. Note: The meeting described below is fictional. The characters, quotes, and... [Read article](https://quantolux.de/en/blog/meeting-notes-why-xrf-slag-analysis-is-the-future) [![](https://quantolux.de/hubfs/ChatGPT%20Image%2017-%20Apr-%202026%2c%2015_23_23-png.png)](https://quantolux.de/en/blog/qlx9-roadshow-announcement-usa) ## [QLX9 roadshow announcement USA](https://quantolux.de/en/blog/qlx9-roadshow-announcement-usa) Apr 17, 2026, 3:31:07 PM In many steel plants, slag analysis is still a laboratory process: samples are taken, transported, p... [Read article](https://quantolux.de/en/blog/qlx9-roadshow-announcement-usa) [![](https://quantolux.de/hubfs/Screenshot%202026-01-29%20182411.png)](https://quantolux.de/en/blog/article-for-qz-magazine-german) ## [Technical article for the German Q&Z Magazine](https://quantolux.de/en/blog/article-for-qz-magazine-german) Feb 2, 2026, 11:55:48 AM Quality and Reliability Under Real Process Conditions In day-to-day steelmaking, decisions often hav... [Read article](https://quantolux.de/en/blog/article-for-qz-magazine-german) [![slag analysis training in minutes, not hours](https://quantolux.de/hubfs/Screenshot%202026-01-16%20092804.png)](https://quantolux.de/en/blog/eight-months-in-operation-chinas-first-oes-slag-analyzer-for-bof-lf) ## [8 Months in Operation: China’s First OES Slag Analyzer for BOF/LF](https://quantolux.de/en/blog/eight-months-in-operation-chinas-first-oes-slag-analyzer-for-bof-lf) Jan 16, 2026, 10:39:24 AM Reducing slag analysis time from 15 minutes to just 1 minute can fundamentally change BOF process co... [Read article](https://quantolux.de/en/blog/eight-months-in-operation-chinas-first-oes-slag-analyzer-for-bof-lf) [![](https://quantolux.de/hubfs/IMG_E6233-1.jpg)](https://quantolux.de/en/blog/de/blog/slag-analysis-in-steel-mills-understanding-and-optimizing-processes) ## [Slag Analysis in Steel Mills: Understanding and Optimizing Processes](https://quantolux.de/en/blog/de/blog/slag-analysis-in-steel-mills-understanding-and-optimizing-processes) Dec 29, 2025, 10:34:24 AM Decisions Under Time Pressure Tuesday, 14:32. A winter morning in a German steel mill. The control r... 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