SKU: 45459010573

Detergents CHEMets® Visual Test Kit - 0-3 ppm

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Description

Detergents CHEMets® Visual Test Kit - 0-3 ppmDetergents (anionic surfactants, MBAS) CHEMets Visual Test Kit 0 3 ppm Methylene blue active substances (MBAS) bring about the transfer of methylene blue, a cationic dye, from an aqueous solution into an immiscible organic solvent. This occurs through ion pair formation by the MBAS anion and the methylene blue cation. The intensity of the blue color in the organic solvent is directly related to the concentration of MBAS in the sample. Anionic

Detergents (anionic surfactants, MBAS) CHEMets® Visual Test Kit - 0-3 ppm

Methylene blue active substances (MBAS) bring about the transfer of methylene blue, a cationic dye, from an aqueous solution into an immiscible organic solvent. This occurs 
through ion pair formation by the MBAS anion and the methylene blue cation. The intensity of the blue color in the organic solvent is directly related to the concentration of MBAS in the sample. Anionic surfactants commonly used in commercially available detergent formulations are prominent methylene blue active substances, and are strongly responsive to this chemistry. Test results are expressed as ppm (mg/L) linear alkylbenzene sulfonate (LAS). 

Range: 0-3 ppm
MDL: 0.125 ppm
Method: Methylene Blue

Includes:

  • 20 Tests
  • Comparator
  • Reaction Tube with Lid
  • Tip Breaking Tool
  • Instructions

Additional Literature:

K-9400 - Literature
K-9400 - Technical Datasheet
K-9400 - Technical Bulletin
K-9400 - Instructions English
K-9400 - Instructions French
K-9400 - Safety Datasheet - Detergent Round

Video:

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SKU: 45459010573

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4.5 ★★★★★
Based on 452 reviews
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Random shopper
Pawtucket, US
★★★★★ 1
Rope comes out at the slightest force. Pointless tug toy!
Color: Four colors, Size: 6cm (with rope)
If your dog pulls on these (and why wouldn’t he?), the rope immediately comes out. Turns out they just fuse the ends of the nylon rope together, which is no match for a dog playing tug. Any dog, any level of pulling will dismantle these. We’ve managed to reinsert the rope to a couple of these and KNOT it, which gives you a shorter rope but a toy that can withstand some play. But if I had wanted a DIY toy, I’d have used the balls and rope I already own.
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Reviewed in the United States on December 11, 2025
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Verified Purchase
Lesly
Louisville, US
★★★★★ 3
Not for super chewers!
Color: Four colors, Size: 5cm (with rope), Color: Four colors, Size: 5cm (with rope)
These rope ball toys arrived today. My poodle puppy loves rope ball toys and playing tug of war. These didn’t last 10 minutes. For context, she is 1 y.o., 30 lbs., is not teething & has her adult teeth. She did this on her own- we were not playing tug of war at the time the toy fell apart. At least there are 3 more in the package & when the rope is done, we’ll still have the balls to play with.
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Reviewed in the United States on April 15, 2026
K
Verified Purchase
Kimberly Farnham
Natrona Heights, US
★★★★★ 4
Great for small dogs
Color: Four colors, Size: 5cm (ball only)
Durability
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Reviewed in the United States on February 28, 2026
J
Verified Purchase
Jay
Phoenix, US
★★★★★ 5
Good and comfortable toe socks
Size: 10-12, Color: Black 5 Pairs
First time wearing toe socks. I bought them to help prevent athlete's foot between the toes, which I'm prone to getting. Being a guy, I did have some reservations because I thought they'd look silly or whatever but I went ahead and bought these since they're going inside shoes anyway. I'm so glad I did! My only complaint is that the length of the toes are a bit short. In shoes I wear a men's 11 and I ordered 10-12 in these socks. The overall length is perfect but the toes are a bit too short and won't go all the way back to my webbing in the 1st and 2nd interspaces. The other toes and interspaces are fine. It's a minor complaint and not enough to remove a star. Overall I'm very satisfied with the product. I've suffered from Morton's Neuroma in both feet and various interspaces all of my life. I think I've finally found the solution. I've been walking 4.4 miles a day for over a month now. Something I've never been able to do. I wear these ZAKASA toe socks, along with the Dr. Wolf orthotics which have good arch support and a metatarsal arch just behind the metatarsal heads. I also wear the Bronax shoes which have a wide forefoot to let the toes spread out. The combination of the shoes, socks, and orthotics has worked wonders on my feet! No athlete's foot either! I highly recommend these ZAKASA toe socks. I've bought two 5 packs already. No regrets!
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Reviewed in the United States on September 26, 2024
J
Verified Purchase
Jay
Bozeman, US
★★★★★ 5
Great quality and price per pair
Size: 10-12, Color: White 5 Pairs
Had these about 6 weeks now and am very pleased with how they've held up so far. I've gone through 2 other brands before this and will be sticking with them as long as they continue to hold up. Seams are still good, toe hasn't worn through at the toenail, no visible fading/wear on the pads of the feet. They are still annoying to straighten out after washing like all other toed socks, but the fit has held up and elastic is still snug and comfortable after daily wear (I did buy 2 packages, so they do get rotation before being worn)
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Reviewed in the United States on December 9, 2025

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