ASTM D2622 ASTM D5762

Nitrogen and Sulfur Ampules

ASI has created an easy, trustworthy, no-hassle way to find and acquire the standards you need for definitive testing of Nitrogen and Sulfur Ampules

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Most sulfur sets ship in 1-2 days. Custom standards with 10 day lead times.

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Our lab has ISO 17034 and ISO 9001 certifications. Each product has traceable formulation records, testing, and quality control records.

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Frequently Asked Questions

Refineries, Pipeline compaines, Storage Facilities, Testing Labs, Lubricating Oil Producers, Re-refiners
Ensure traceablility to NIST sulfur SRMs.
Formulated for accurate analytical results consistently.
Improve accuracy of your analysis with high purity materials.
Increase profits and avoid costly mistakes due to inaccurate results from your assaying equipment
Maintain trust with customers
Get optimal results out of your testing equipment investment
These reference materials come certified with an expiration date of two years after the manufacture date. This expiration date applies to unopened standards. After opening, proper care and handling should be observed to ensure lasting quality of the material.
Gravimetrically certified and verified at our facility. Reported with density.
For accurate analysis by Chemiluminescence, UV Fluorescence, and Oxidative Microcoulometric Sulfur
High-grade sulfur Sources of DBS and Dibenzothiophene
High-grade Nitrogen sources of pyridine and acridine
Clean matrices of Isooctane, Toluene, and Xylenes