# Rapid Analytical LLC — XRF Elemental Analysis

> Mail-in XRF and EDXRF elemental analysis for powders, metals, minerals, ceramics, coatings, and other inorganic materials.

> Generated by All in One SEO v5.0.3, this is an llms.txt file, used by LLMs to index the site.

## Sitemaps

- [XML Sitemap](https://rapidanalytical.com/sitemap.xml): Contains all public & indexable URLs for this website.

## Pages

- [Home](https://rapidanalytical.com/): Fast scientist-led mail-in EDXRF testing for powders, minerals, graphite, metals and other inorganic materials. $45/sample with results normally within 2 business days.
- [Mail-In XRF Testing](https://rapidanalytical.com/mail-in-xrf-testing/): Mail samples from anywhere in the U.S. for benchtop EDXRF elemental analysis. See the order, packing, shipping, testing and PDF-report workflow.
- [Services](https://rapidanalytical.com/services/): XRF testing services for powders, minerals, metals, alloys, ceramics and other inorganic materials. Mail-in EDXRF analysis from $45/sample.
- [XRF vs XRD: What Each Technique Actually Measures](https://rapidanalytical.com/xrf-vs-xrd/): XRF vs XRD explained: XRF measures elemental composition, while XRD identifies crystalline phases and structure. See examples and when each method fits.
- [Contact](https://rapidanalytical.com/contact/): Contact Rapid Analytical for XRF testing questions, sample suitability, batch projects, written quotes, purchase orders, and mail-in sample review.
- [Sample Review Request Received](https://rapidanalytical.com/sample-review-received/): Confirmation that Rapid Analytical received a sample review or quote request, with next-step guidance and a link to sample submission instructions.
- [XRF Resources & Technical Guides](https://rapidanalytical.com/xrf-resources/): Practical XRF guides covering accuracy, sample preparation, XRF vs ICP, standardless FP analysis, batch testing, materials applications and sample submission.
- [XRF Powder Analysis](https://rapidanalytical.com/xrf-powder-analysis/): Mail-in XRF powder analysis for minerals, ceramics, ash, silica, graphite-related materials, catalyst residues and other inorganic powders and process solids.
- [XRF Metal Analysis](https://rapidanalytical.com/xrf-metal-analysis/): Mail-in XRF analysis for metals and alloys, including solid parts, shavings, prills and unknown metals. Learn surface requirements, sample amounts and method limits.
- [XRF Analysis of Ceramics and Oxide Powders](https://rapidanalytical.com/xrf-analysis-ceramics-oxide-powders/): XRF analysis for ceramic and oxide powders including zirconia, alumina, silica, chromia and refractories, with guidance on oxide equivalents and phase limits.
- [XRF Analysis of Ores, Minerals and Concentrates](https://rapidanalytical.com/xrf-analysis-ores-minerals-concentrates/): Mail-in XRF analysis of ores, minerals and concentrates for elemental screening, exploration comparison and R&D. $45/sample standard testing.
- [XRF Testing FAQ](https://rapidanalytical.com/xrf-faq/): Answers to common XRF questions about elemental results, carbon, phases, coatings, sample amounts, accuracy, pricing, turnaround, batches and accreditation.
- [Unknown Material Identification by XRF](https://rapidanalytical.com/unknown-material-identification-xrf/): Use mail-in XRF for broad elemental screening of unknown solids and metals. Learn what identification can show, surface limitations and how to submit a sample.
- [XRF Sample Submission](https://rapidanalytical.com/sample-submission/): Prepare samples for mail-in XRF testing with guidance on quantities, labeling, packaging, batch IDs, special handling, return shipping and final shipment steps.
- [XRF vs ICP-OES / ICP-MS for Elemental Analysis](https://rapidanalytical.com/xrf-vs-icp-oes-icp-ms/): Compare XRF with ICP-OES and ICP-MS for elemental analysis, including preparation, speed, detection limits, destructive testing and complementary use cases.
- [Standardless XRF & Fundamental Parameters Explained](https://rapidanalytical.com/standardless-xrf-fundamental-parameters/): Learn how Fundamental Parameters and standardless XRF estimate elemental composition, where the approach works well, and why matrix and calibration still matter.
- [XRF Sample Preparation for Powders](https://rapidanalytical.com/xrf-sample-preparation-powders/): Practical XRF powder preparation guidance covering representative sampling, particle size, homogeneity, grinding, packing, quantities and what to send.
- [How Accurate Is XRF Analysis?](https://rapidanalytical.com/how-accurate-is-xrf-analysis/): Learn what controls XRF accuracy, including matrix effects, concentration, homogeneity, particle size, surface condition, calibration and sample preparation.
- [Privacy Policy](https://rapidanalytical.com/privacy-policy/): Privacy Policy for Rapid Analytical LLC covering information collection, payments, cookies, analytics, data security, retention and privacy contact information.
- [XRF Testing Cost: What Does XRF Analysis Cost?](https://rapidanalytical.com/xrf-testing-cost/): Standard mail-in XRF testing is $45 per sample. See batch economics, screening use cases, turnaround expectations and when additional testing may be needed.
- [About](https://rapidanalytical.com/about/): Learn about Rapid Analytical LLC, a scientist-led mail-in XRF laboratory providing practical elemental testing for powders, metals, minerals and industrial materials.
- [Batch & Recurring XRF Testing](https://rapidanalytical.com/batch-recurring-xrf-testing/): Batch XRF testing for supplier comparisons, production lots, process stages, exploration sets and recurring QC. $45/sample with quote and PO workflows available.
- [Catalyst & Metal Recovery XRF Screening](https://rapidanalytical.com/catalyst-metal-recovery-xrf-screening/): Mail-in XRF screening for catalyst materials, ash, residues, filter cake and metal-recovery streams. Compare Pt, Pd, Rh and other detectable elements.
- [Industrial Minerals XRF Screening](https://rapidanalytical.com/industrial-minerals-xrf-screening/): Mail-in XRF screening for industrial minerals, powders and inorganic raw materials. Useful for supplier comparison, lot checks, R&D and process decisions.
- [Graphite & Carbon XRF Screening](https://rapidanalytical.com/graphite-carbon-xrf-screening/): Mail-in XRF screening for graphite, ash, residues and recovered carbon materials. Compare supplier lots, process stages and metallic impurities. $45/sample.