CFR 2021 TITLE40 VOL31 CHAPTER I SUBCHAPTER N PART 417 Subpart D
Glycerine Concentration Subcategory
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Lubricating oils. Determination of barium, calcium, magnesium and zinc concentrations by atomic absorption spectrometry method
SAE ARP5991A
Test Method for the Determination of Water Concentration in Polyol Ester and Diester Aerospace Lubricants by Coulometric Karl Fischer Titration
RP-761
Real Time Determination of Lubricant Concentrations Dissolved in Alternative Refrigerants
4310(RP-761)
Real-Time Determination of Lubricant Concentrations Dissolved in Alternative Refrigerants
SAE ARP5991
Test Method for the Determination of Water Concentration in Polyol Ester and Diester Aerospace Lubricants by Coulometric Karl Fischer Titration