Natriumsulfat R-R 0,5Mol/L 500ml

Marsoni

M251S

$17.70

Get it in 3 business days with 1 day shipping. Friday, May 29

Natriumsulfat R-R 0,5Mol/L 500mlNatriumsulfat Standardlsung 0,5 mol l (Na2SO4) Technische Informationen zur chemischen Lsung: Chemische Formel: Na2SO4 Chemische Bezeichnung: Natriumsulfat, Standardlsung Konzentration: 0,5 mol l CAS Nummer: 7757 82 6 EC Nummer: 231 820 9 Molare Masse: 142,04 g mol ueres Erscheinungsbild: farblose Flssigkeit Geruch: geruchlos pH Wert (20C): neutral (ca. 6 8) Schmelzpunkt: nicht anwendbar (wssrige Lsung) Siedepunkt: ca. 100C (als Wasser)

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Worked for 3 plays. My 11 week old puppy loved this item. Unfortunately, it only lasted 3 tries before the motor stopped working. $30 for a total of 30 minutes over 3 days is robbery! I'd look at another vendor for the same type of item. We charged it after each attempt but now the motor won't turn on.

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Reviewed in the United States on February 12, 2026

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M Girven

Alexandria, US

★★★★★ 3

Item was returned

Color: Blue

Used it one day and partially the following day. Put on charger. Never worked again. My dog played with it but returned it as defective.

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Reviewed in the United States on April 12, 2026

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Los Angeles, US

★★★★★ 4

Not for super chewers

Color: Blue

This ball seems to be of good quality; has held a charge well and is easy to use. Sadly, the cover lasted less than 15 minutes with our dog.... not for aggressive chewers for sure. Pretty funny to watch the hound dog jowls shake though.

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Reviewed in the United States on January 25, 2026

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Jessica S.

Pawtucket, US

★★★★★ 5

Great fun for dogs!

Color: Orange

Two of our dogs really love this! It caused a lot of barking and chasing and running around trying to grab it. It's really funny to use the remote to control it (and especially make it stop when things get a little too chaotic!) It feels durable even when pawed and bumped into and stepped on. The battery life seems good. I plugged it in overnight to charge so not sure how long it took to charge, but it has lasted quite a while with the dogs playing with it and still doesn't need a charge. It's easy to screw off one side of the ball to plug it in to charge. The size is a little bigger than a tennis ball I would say and has a soft texture.

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Reviewed in the United States on January 6, 2026

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Kathy Stefanski

Pawtucket, US

★★★★★ 1

It doesn't work.

Color: Blue

The two halves of the ball shell come apart again and again when the dog plays with them. When it is time to recharge the core, it will not take a charge. The dog loves it, but it's unsafe to play with.

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Reviewed in the United States on January 15, 2026