Ayalytical Instruments supplies n-Pentane in one-liter bottles, which is primarily used for Reid vapor pressure (RVP) calibration standards according to ASTM D5191, ASTM D5188, and ASTM D6378 methods. This one-liter bottle is supplied with a certificate with D5191, D5188, and D6378 value. This kit contains six one-liter bottles.