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  • noun

Synonyms for methanal

a colorless poisonous gas


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References in periodicals archive ?
The highest hydrogen and methanal production rates were obtained for the 20 wt% CoS/Ti[O.sub.2] sample.
Wang and coworkers reported the Er-doped [In.sub.2][O.sub.3] nanotube, and the response of the Er-doped [In.sub.2][O.sub.3] nanotube sensors to 20 ppm methanal was 12 at 260[degrees]C in the subsequent gas sensing investigation, which was very promising for the detection of dilute methanal gas in practice [31].
50 should read "Also, formaldehyde (methanal [HCHO]) values of the particleboards were determined by the perforator method but not published."
Domestic Production###PET, PVC, GPPS, HIPS, EPS, Methanal and Urea Melamine
The alkylation of carbon in the ortho and para substitution occurs, however substitution in meta is exclusively not obvious, the phenol reacts with the methanal in the reaction of hydroxymethylation (figure 3) where the condensation aldol takes place but here the balance of tautomerism is in favour of the form phenol which is most stable due to its aromatic character.
Ketals of methanal of general structure ArOC[H.sub.2]OAr have a flexible 'spacer' group, -OC[H.sub.2]O-, that should allow for maximum interchromophore interactions of the pendent aryl groups.
Ivanova compared disparate immobilization technologies and found that agar, ?- carrrageenan, polythene oxide colloid, active methanal acrylonitrile/acrylamide film were good for a-amylase production [8].