What is a dry shipper?
What is a dry shipper?
Dry shippers. Dry shippers are large Dewar (vacuum) flasks that are designed for the safe shipment of specimens at liquid nitrogen temperatures without the risk of spilling liquid nitrogen. When prepared correctly a dry shipper does not contain any free liquid nitrogen.
How does a dry shipper work?
Dry shippers are large Dewar (vacuum) flasks that contain a porous material. They are designed for the safe shipment of specimens at liquid nitrogen temperatures without the risk of spilling liquid nitrogen (LN2). When prepared correctly, a dry shipper does not contain any free LN2.
How do I ship a dry shipper?
Slowly fill your dry shipper with liquid nitrogen (LN2). When the liquid reaches the neck of the dry shipper, stop filling the unit. Replace the cap and set the dry shipper away. Make sure to follow the charging period specified by the manufacturer.
What is empty dry shipper?
Dry shippers are specially designed shipping containers that keep materials at liquid nitrogen temperatures for extended periods with no free-flowing liquid and are not regulated by the DOT. Empty dry shippers must be at room temperature or they are subject to IATA Dangerous Goods Regulations Packing Instruction 202.
What is an advantage of dry shippers?
The dry shippers are capable of maintaining the materials in them at liquid nitrogen temperatures for 24 hours without the risk of spilling liquid nitrogen.
How long does it take to charge a dry shipper?
Record the tare weight (= the empty dewar plus its lid). Properly charge the dewar as per manufacturer’s instructions, i.e. fill with liquid nitrogen and leave the dewar for 2-3 hours.
How cold is a dry shipper?
The CryoPort Express® dry shipper uses liquid nitrogen (LN2), not dry ice, as the refrigerant and is able to maintain a temperature of <-150˚C eliminating the guess work in packing to avoid temperature excursions.
How long does a dry shipper last?
The dry shippers are capable of maintaining the materials in them at liquid nitrogen temperatures for 24 hours without the risk of spilling liquid nitrogen. While liquid nitrogen is a regulated United States Department of Transportation (USDOT) Hazardous Material, a properly prepared “dry shipper” is not.
How long do dry shippers last?
Dry shippers come in a variety of volumes, and there is a wide range of variation in both quality and capabilities of containers. Some containers are rated to stay cold for a few hours, others are designed to hold temperatures for upwards of two weeks.
How do you charge Dewar?
Properly charge the dewar as per manufacturer’s instructions, i.e. fill with liquid nitrogen and leave the dewar for 2-3 hours. Excessive accumulation of condensation or ice indicates damage. Pour off the excess LN2. Record the drained weight = charged weight.
Which of the following is a safety guideline to follow when working with or using liquid nitrogen?
Personal Protective Equipment (PPE) The recommended personal protective equipment when handling or using liquid nitrogen is a full face shield over safety glasses/goggles; loose-fitting thermal insulated gloves; and long-sleeved shirts and pants without cuffs.
What do you need to know about dry shippers?
Dry Shippers Dry shippers are specially designed shipping containers that keep materials at liquid nitrogen temperatures for extended periods with no free-flowing liquid and are not regulated by the DOT. Properly packaged dry shippers that do not contain hazardous materials may be treated as nonhazardous shipments.
What do you mean by dry van shipping?
Dry van shipping refers to the vehicle or compartment used to haul shipments. In this case, the “dry van” is the trailer you see connected to trucks on the highway every day.
Can a dry shipper transport a biological sample?
The DOT has approved the air cargo transport of dry shippers containing cryogenically preserved nonhazardous biological samples preserved in small quantities of certain frozen refrigerants, by any shipping party, to and from the APS (refer to the following section 9).
How to pick up a dry shipper from Argonne?
To arrange for your dry shipper to be picked up for an outbound shipment from Argonne, contact Argonne Site Services Material Handling personnel. The arrangements will include where and when to pick the package up and Beamline contact. The following must accompany the material to be shipped: