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B100 biodiesel is recognized worldwide as an alternative fuel and qualifies
for mandated programs in the US and EU.
Although there are many required tests, most producers use the concentration
of free and total glycerin as a critical pass/fail test for B100. Other practical
concerns with the production and purification of biodiesel are the presence of water and the purification process.
To help achieve these analytical and processing concerns,
Sigma Aldrich has developed the following offering: Standards for the determination of free and
total glycerin in biodiesel
Karl Fischer titration HYDRANAL®
reagents for the determination of water in biodiesel
Technical resources
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