Exel Hypodermic Needles, 18 Gauge x 1 1/2", Polypropylene Hub, Sterile, for Laboratory Use, 100/pk 8772-Powder This Certified Reference Material at

This Certified Reference Material at a concentration of 10 µg/mL in 2-5% Nitric Acid is composed of 4 analytes

This Certified Reference Material at a concentration of 100 µg/mL in Methanol: Water 90:10 is composed of a single analyte

2-Part syringes are latex free

This Certified Reference Material at a concentration of 50 µg/mL in Methanol is composed of a single analyte

This Certified Reference Material at a concentration of 50:50 %v/v is composed of 2 analytes

Exel Hypodermic Needles, 18 Gauge x 1 1/2", Polypropylene Hub, Sterile, for Laboratory Use, 100/pk 8772-Powder This Certified Reference Material atSuperior quality at an affordable price. Made of regular wall surgical stainless steel with polypropylene hub. They are available in a wide range of gauge and length combinations. FDA registered, CE Mark, ISO certified.