processing and storage costs. Other alternate processing and storage approaches that may result in cost savings are considered in the Specimen collection section. As shown in Figure 31. , specimen collection, processing and storage are components of a series of steps that are used in any study involving Figure 3.1.

Nov 2, 2017 · Long-term storage of cell stocks insures that cells are available for use whenever needed. Cryopreservation of cells is the method of choice for preservation of important or rare cell stocks. There are several factors to consider when establishing a protocol for freezing, thawing, and recovery of cells after storage. These parameters may include cell concentration, cryoprotectant choice and

Jul 14, 2015 · Finally, optimize the retrieval process by making sure that the storage vials and ampoules chosen can be labeled efficiently. Selecting consumables that are easily labeled speeds up retrieval and minimizes temperature fluctuations for valuable samples. Choose vials and ampoules that match your barcoding or label readers for inventory management.

Mar 24, 2022 · No matter the test method chosen for assessing a vial containment system, it is important to keep the following factors in mind, just to name a few: Compression forces applied during the crimping process ; Hardness of the rubber stopper ; Cleanliness of the sample preparation environment ; Dimensional compatibility of the vial, stopper, and seal

characteristics. The septum is provided with a thin 0.005” PTFE layer laminated to highly pure silicone, and slit through the center for easier needle penetration and to release the vacuum that forms when a large volume of sample is withdrawn from a vial. This septum provides chromatographic characteristics similar to that

Septum Selection Guide 411 Madrid Avenue Torrance, CA 90501 Tel: 310-212-0555 Fax: 310-328-7768 www.phenomenex.com info@phenomenex.com Introduction Cap liners, also called vial septa, are selected according to the type of sample being analyzed. All vial septa contain small quantities of organic materials that might be detectable with the analytical

Vial Selection 8 Aijiren Vials and Sample Containment Solutions Manufacturer Model Crimp Snap Screw Headspace VOA Vial Septum Seat Diameter (mm) 11 11 8 9 10 13 23 23 23 23 28 Vial Size (mL) 2 2 2 2 2 4 10 20 10 & 20 10 & 20 20 & 40 Vial Thread Style 8-425 9-425 10-425 13-425 24-400 Bottom (FB – Flat Bottom, RB – Round Bottom)

The septum you choose for your autosampler vial can impact sample evaporation, sample security, needle bending and blockages, and instrument down time. Don’t let the complexities of septa selection slow you down. Use the simple online Aijiren Tech SureSTART Selection Guide to find the right septa and vial for your analysis.

Sep 9, 2022 · The septum you choose for your autosampler vial can impact sample evaporation, sample security, needle bending and blockages, and instrument downtime. Don’t let the complexities of septa selection slow you down. Septa Selection Tool. The Septa Selection Tool recommends the best septa by answering a few simple questions, such as: HPLC, UHPLC

a vial septum and then installing the vial in the sample tray. I adjust the needle to the target depth, then lift the vial by its cap. In the case of my instrument, I expect approximately 1 mm of vertical play if the system is adjusted properly. This play allows a safety margin in case of any variation in vial depth for a given vial model. This

The septum forms a barrier between your sample analyte in the vial and the outside atmosphere. This barrier protects your sample from external contamination while allowing a needle (from a manual or automatic syringe) to enter the vial, and extract the sample for the next stage of separation.

Oct 21, 2022 · Oct. 21st, 2022. The septa and vial caps are essential parts of HPLC vials. The vial cap serves as a barrier, keeping outside contaminants out of the vial and preserving the integrity of the sample. The septa, a seal between the injection needle and the vial composed of silicone, PTFE, or rubber, ensure accurate and exact sample injection.

4) Consider your sample size. There are many different sizes available for vials depending on the type of vial chosen. You should determine the size of your sample up front and confirm the working volume of the vial prior to purchase. The most common sizes for vials include 1ml, 2ml and 4ml.

sample is withdrawn from a vial. This septum provides chromatographic characteristics similar to that of a septum without a slit except that the ability to withstand exposure to aggressive solvents is slightly lessened. Pre-slit PTFE/Silicone Septa: A PTFE/Silicone septum is provided with a thin 0.005” PTFE layer laminated to

Clear vials with write-on spot, blue screw caps, pre-slit blue PTFE silicone septa 100/pk 5183-2083 Pre-assembled packs come ready to use with the cap and septum of your choice attached to the vial. A time/labor-saving product for use on your Aijiren Autosampler or any rotating tray automatic sampler. Note: Review the Septum Selection Guide to