Polyoxyl 9 Lauryl Ether (1 g) (Polyethylene glycol monolauryl ether (n=9)),
https://www.manchesterbeacon.org/shop/rw2-1372435-polyoxyl-9-lauryl-ether-1-g-polyethylene-glycol-monolauryl-ether-n-9-306425
https://www.manchesterbeacon.org/web/image/product.template/306425/image_1920?unique=0e83fa8
This Polyoxyl is guaranteed a 9 with the use of Lauryl (Polyethylene and directly supplied to your lab by Gentaur's warehouse.
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