What is MIME type "chemical/x-jcamp-dx"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

Chemical/x-jcamp-dx is a MIME type for files in the JCAMP-DX format. It represents data from chemical experiments and analyses.
This format is text-based and easy for both computers and humans to process. It is mainly used to exchange spectral data and other chemical information.

Spectroscopy Data: Stores infrared, ultraviolet, and other spectra.
NMR Data: Holds information from nuclear magnetic resonance experiments.
General Chemical Analysis: Transmits various analytical measurements.

Files that use this MIME type are commonly saved with the extensions JDX, DX, and JCM.
This format originated in the 1980s to standardize the exchange of chemical data and is still used in current spectroscopic and analytical software.
For more details, visit JCAMP-DX on Wikipedia.

Associated file extensions

.jdx, .dx, .jcm

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:


    Content-Type: chemical/x-jcamp-dx

HTML

In HTML, you can specify the MIME type in various elements:


    <a href="file.dat" type="chemical/x-jcamp-dx">Download file</a>

Server-side (Node.js)

Setting the Content-Type header in Node.js:


    const http = require('http');
    
    http.createServer((req, res) => {
      res.setHeader('Content-Type', 'chemical/x-jcamp-dx');
      res.end('Content here');
    }).listen(3000);

Associated file extensions

.jdx, .dx, .jcm

FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why are multiple MIME types listed for one extension?

Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.