Twenty 5mL tubes per pack.

Packaged in convenient, pre-measured Snip & Pour PTFE tubes.

Just snip the top of the PTFE tube and pour the contents into the sample container or extraction apparatus. Exactly 40mg of HEM is delivered to the LCS or Matrix Spike sample. Each Snip & Pour Standard contains 20mg of hexadecane and 20mg of stearic acid in 5mL of acetone. HEM contents will not adhere to the sides of the single-use tube. Inexpensive Snip & Pour tubes eliminate pipets and require no warming prior to use.

100mL total volume.