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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 ]
Genuine Parts Company (GPC) is an American company engaged in the distribution of automotive replacement parts, industrial replacement parts, office products and electrical/electronic materials. GPC serves numerous customers from more than 2,600 operations around the world, and has approximately 48,000 employees. [ 1 ]
The Jefferson County Coroner’s Office identified the victim as Hudson Joseph Meek, 16, who sustained blunt force injuries when he fell in the 1900 block of Canyon Road in Vestavia Hills on ...
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How to Boost Energy Levels. Let’s take a look at some practical tips and strategies for how to have more energy. 1. Aim for a Balanced Diet. Maintaining balanced blood sugar levels is key to ...