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Ships within 48 hours · Estimated delivery Sep 27 - Oct 2
For Your Every Summer RSVP, with Code: SUMMER15
Description
DK-1 Density Measurement KitThe Torbal Density Determination Kit (DDK) is designed to allow Torbal Analytical Balances to be used to determine the density of solids and fluids using Archimedes principle in a way that eliminates the need for below the pan weighing. Torbal also makes available an Excel spreadsheet which makes the calculations required for density determinations. Embedded in this spreadsheet is a table of water density versus temperature from 15 C to 27 C in 0. 1 C
The Torbal Density Determination Kit (DDK) is designed to allow Torbal Analytical Balances to be used to determine the density of solids and fluids using Archimedes principle in a way that eliminates the need for below the pan weighing. Torbal also makes available an Excel spreadsheet which makes the calculations required for density determinations. Embedded in this spreadsheet is a table of water density versus temperature from 15 C to 27 C in 0.1 C increments.The kit consists of a weighing frame which replaces the weigh pan and adapter, a sinker (the pan that hold the unknown sample), a 400ml beaker, a frame that supports the weight of the beaker (with its fluid, bracket, and thermometer) and passes the weight to the frame of the scale (not the weigh frame). This apparatus will be used to measure the weight of the sample in air, called the dry weight (Wd), and to determine the weight of the same sample immersed completely in a fluid, called the wet weight (Ww). The difference between these two (Wd-Ww) is the buoyancy of the sample in the fluid.
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- We offer a 30-day return/exchange service after receiving.
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4.0 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Best jiggle balls we have found thus far
Color: Ripple Pattern
Yes ! First off this was a great value for the money. The balls function just as described and they have a decent battery life. They entertain both our goldens for a good bit of time. They have so far held up and not been chewed up . We limit the time and put them away after that time.. to avoid them being destroyed. Of all the jiggle balls we have purchased these are by far the best. The way the component is encased in the rubber protects it.. and it screws together very well. I am so pleased with these !
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Reviewed in the United States on December 29, 2025
★★★★★ 5
Perfect for Blind Dogs, Fun and Durable
Size: 2-pack, Style: Duo
My blind dog loves these Chuckit! sniff balls. She can easily sniff them out and plays fetch with them for 20 minutes a day, even running up and down the stairs.
The balls are durable, bounce well, and the bacon and peanut butter scent keeps her engaged. I do wish Chuckit! would bring back the version with a tone so we could play fetch outside more easily.
Overall, a fantastic toy for dogs that rely on scent and a fun way to keep them active.
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Reviewed in the United States on February 14, 2026
★★★★★ 5
My Golden Loves
Size: 2-pack, Style: Duo
My 8 month old Golden Retriever loves these. It is also one of the few products she cannot destroy. They smell as described and she loves to chew them and play fetch when. She can chew these easily without destroying them. Overall good value for the money for my Golden
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Reviewed in the United States on January 2, 2026
★★★★★ 5
My dogs are obsessed with this ball
Size: 2-pack, Style: Duo
Great quality! I have 2 boxers that love it and the ball is still intact
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Reviewed in the United States on January 31, 2026
★★★★★ 5
Not Scented, but Dog Approved
Size: 2-pack, Style: Duo
They don't smell like peanut butter or bacon. But our dogs still love them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 31, 2025
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