ASTM D4929

Chlorine and Sulfur Standards

ASI has created an easy, turstworthy, no-hassle way to find and acquire the standards you need for definitive testing of chlorine and sulfur.

Quick Shipping

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

Accurate Standards

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

Quality Guaranteed

Quality guaranteed or we replace
it at no cost.

Frequently Asked Questions

Refineries, Pipeline Companies, Storage Facilities, Testing Labs, Lubricating Oil Producers, Re-refiners.

Increase profits and avoid costly mistakes due to inaccurate results from your assaying equipment.
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.

Chlorine and Sulfur in Mineral Oil Calibration Standards
Chlorine and Sulfur in Waste Oil Calibration Standards
Chlorine in Waste Oil Calibration Standards
Chlorine and sulfur as check standards, Together or separate in a variety of different matrices with concentrations ranging from 100 ppb to 10.0 wt%