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NP-40 (also known as Tergitol-type NP-40 and nonyl phenoxypolyethoxylethanol [1]) is a commercially available detergent with CAS Registry Number 9016-45-9. NP-40 is an ethoxylated nonylphenol for non-ionic surfactants and can act as emulsifier and demulsifier agent.
IGEPAL CA-630 has HLB of 13.4, similar to that of Triton X-100 (13.4) and thus belongs to the detergent range (HLB 13-15); this is significantly less than 17.8 of tergitol NP-40 or 16.7 of Polysorbate 20 (also known as Tween 20), which both belong in the solubilizer range (15-18) of HLB. [2] Ca-630 is completely miscible with water.
XLT Agar (Xylose Lysine Tergitol-4) is a selective culture medium for the isolation and identification of salmonellae from food and environmental samples. It is similar to XLD agar; however, the agar is supplemented with the surfactant, Tergitol 4, which causes inhibition of Proteus spp. and other non-Salmonellae. [1]
The Environmental quality standard for NP was proposed to be 0.3 ug/L. [2] In 2013 nonylphenols were registered on the REACH candidate list. In the US, the EPA set criteria which recommends that nonylphenol concentration should not exceed 6.6 ug/L in fresh water and 1.7 ug/L in saltwater. [ 52 ]
An improved method involves the addition of the surfactant Tergitol 7 to the carbol fuchsin stain, ... This page was last edited on 15 April 2024, at 13:52 (UTC).
The 15 best sales this weekend. AOL. ... 21 best personalized Valentine’s Day gifts of 2025. AOL. 25 of the best Walmart sales of the week. Show comments. Advertisement. Search Recipes.
Duraspark II distributor, cap and HT (high tension) wires. The Duraspark II is a Ford electronic ignition system. Ford Motor Company began using electronic ignitions in 1973 with the Duraspark electronic ignition system and introduced the Duraspark II system in 1976. The biggest change, apart from the control box redesign, was the large ...
15 Favorite Ways to Make Scrambled Eggs. 20 Quick Dinners You Can Make With Eggs. 15 Quick and Easy Breakfast Egg Recipes Ready in 15 Minutes or Less. Read the original article on ALLRECIPES.