
As we all know, sample vials are in high demand, and throwing them away after use will make people feel wasteful. Many times, people choose to clean the sample bottle in order to save costs, but does cleaning the bottle really save costs?
First of all, Welch will give you an example of cleaning a vial, and we will analyze it again.
Cleaning with alcohol
- Rinse the bottle several times with clean water
- First use alcohol ultrasonic cleaning 2 times for 15-20 minutes each time
- Ultrasonic cleaning with pure water for 2 times, 15-20 minutes each time
- Dry at high temperature, be careful not to exceed 110°C, it may cause damage to the sample vial
After reading the above example, let the Welch financial expert help you to see whether washing the bottle saves money or not.
In fact, the biggest problem is the consumption of detergent, and it also consumes manpower. If you just look at the money I saved by washing a lot of bottles and ignore the money and labor of the detergent used, you may inadvertently lose a lot. Moreover, what we can basically wash is the bottle itself, and the cover pad cannot be cleaned. The price of the bottle itself is not expensive, and the cleaning cost is not necessarily much lower than the price of the bottle itself.
Here’s to Welch’s Doprah® range of ultra-affordable vials, which are affordable, quality-assured, and low-cost. We can change the bottle instead of washing the bottle to save you manpower and financial expenses! There are also separate cover pads and inner tubes for additional matching.
P/N | Specification | Name |
DA1016 | Doprah® 2mL 9-425 Transparent vial without scale | Vial |
DA1111 | Doprah® 2mL 9-425 Amber vial with graduation | Vial |
DC1143 | Doprah® 9-425 Blue perforated vertical stripe cover 1.0mm red film white glue gasket | 2mL cap pad |
DC1148 | Doprah® 9-425 Blue Perforated Vertical Stripe Cover 1.0mm red film white glue gasket with one word opening 2mL pre-cut | Cover pad |
DC1151-P | Doprah® 9-425 Blue Perforated Vertical Stripe Cover 1.0mm red film white glue red film gasket | Double Membrane Cover Gasket |
DD1172 | Doprah® 6*31mm micro cannula sharp bottom | Intubation tube |
DA1124 | Doprah® 4mL 13-425 Amber vial without scale | Vial |
DC1179 | Doprah® Black Slotted Lid w/ 1mm thickness red film white glue gasket | 4mL cap pad |
DC1181 | Doprah® Black Slotted Lid w/ 1mm thickness red film white glue gasket | 4mL pre-cut Cover pad |

P/N | Specification | Name |
E1129 | Doprah® 10mL Brown Precision Thread Bottle Round Bottom | Precision Threaded Headspace Bottles |
DF1218 | Doprah® 18mm Thread Cutout Magnetic Cover 1.5mm Spacer | Precision Threaded Cap Gasket |
DE1131 | Doprah® 20mL Clear Precision Screw Bottle Round Bottom | Precision Threaded Headspace Bottles |
DF1218 | Doprah® 18mm Thread Cutout Magnetic Cover 1.5mm Spacer | Precision Threaded Cap Gasket |
DE1134 | Doprah® 10mL Brown Crimp Top Headspace Flat Bottom | Crimp Top Headspace Vials |
DE1138 | Doprah® 20mL Clear Crimp Top Thread Bottle Round Bottom | Crimp Top Headspace Vials |
DF1216 | Doprah® Bi-Metallic Magnetic Cover 3mm spacer | Bi-Metal Headspace Cap Gaskets |
DF1196 | Doprah® Jaws Aluminum Cap Fits 10mL crimp top headspace vials | Crimp Headspace Cap Gasket |
DG1161 | Doprah® 40mL 24-400 Transparent sample bottle 27.5×95mm | TOC bottle |
DG1162 | Doprah® 40mL 24-400 Brown sample bottle 27.5×95mm | TOC bottle |
DF1211 | Doprah® 24-400 White PP cutout cover Equipped with 3.0mm thick film transparent rubber gasket | TOC cover gasket |
DG1166 | Doprah® 60mL 24-400 brown storage bottle | Storage bottle |
DI1215 | Doprah® Black PP Solid Cap With 1.5mm thickness white glue gasket | Storage bottle cap pads |


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