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SQT supply Natural 3 5 10 astaxanthin oleoresin in Ta Khmau

Mar 18, 2013 · we used a chiral column β-dex 120 (0.25 mm i.d. ×30 m, film thickness 0.25 μ m, supelco, bellefonte, pa, usa) for the separation of terpenes (figure 2) with the following gc oven program: 60 °c for 5 min, 5 °c min −1 to 80 °c for 20 min, 2 °c min −1 to 200 °c for 1 min, and 10 °c min −1 to 220 °c for 10 min.
Nov 30, 2018 · atmospheric oxidation mechanism of chlorobenzene. pubmed. wu, runrun; wang, sainan; wang, liming. 2014-09-01. the atmospheric oxidation mechanism of
Method detection limit values for a 5 l atd sample were 3.5 pptv (10 ng m-3) for isoprene, methyl vinyl ketone, and methacrolein, and ~1.5 pptv (~10 ng m-3) for monoterpenes and sesquiterpenes.
Mar 09, 2018 · [chalcones from bauhinia glauca subsp. pernervosa]. pubmed. wu, zengbao; wang, bin; zhao, yuying; yang, xiuwei; liang, hong. 2009-07-01. to study the chemical ...

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