Biuret - Wikipedia
Biuret (/ ˈbjurɛt / BYUR-ret) is a chemical compound with the chemical formula HN (CONH2)2. It is a white solid that is soluble in hot water. A variety of organic derivatives are known.
Biuret | C2H5N3O2 | CID 7913 - PubChem
Biuret is a member of the class of condensed ureas that is the compound formed by the condensation of two molecules of urea; the parent compound of the biuret group of compounds. Used as a non-protein nitrogen source in ruminant feed. Used as feed supplement for sheep and cattle since it is a good non-protein nitrogen source.
Biuretă - Wikipedia
Biureta este un tub de sticlă gradat sau negradat, de diverse forme, folosit la analizele chimice, constituită astfel încât conținutul acestuia poate fi picurat în alt vas.
Biureta – Wikipedia, wolna encyklopedia
Biureta – sprzęt laboratoryjny o kształcie zazwyczaj długiej i cienkiej rurki szklanej, z precyzyjną skalą objętości, który jest od dołu zakończony kranikiem i precyzyjnie wykonanym „dzióbkiem”.
Biureta | Sigma-Aldrich - MilliporeSigma
Keyword:'biureta' Showing 1-30 of 261 results for " biureta " within Products Products Building Blocks Explorer Genes Papers Technical Documents Site Content Chromatograms
Biuret—A Crucial Reaction Intermediate for ... - Chemistry Europe
2020年6月23日 · Biuret decomposition was studied in situ by means of temperature-programmed powder XRD and FTIR spectroscopy, to identify a co-crystalline biuret–cyanuric acid phase as a previously unrecognised reaction intermediate.
Biuret test - Wikipedia
Due to its insensitivity and little interference by free amino acids, this assay is most useful for whole tissue samples and other sources with high protein concentration. [5] An aqueous sample is treated with an equal volume of 1% strong base (sodium or potassium hydroxide) followed by a few drops of aqueous copper (II) sulfate.
Burette - Wikipedia
It is a long, graduated glass tube, with a stopcock at its lower end and a tapered capillary tube at the stopcock's outlet. The flow of liquid from the tube to the burette tip is controlled by the stopcock valve. There are two main types of burette; the volumetric burette and the piston burette.
capacity 50 mL, without interface RS 232 - MilliporeSigma
2024年12月3日 · Titrette ® is the first bottle-top burette to meet class A error limits for glass burettes. In addition, it stands out for easy titration, a compact design, excellent precision, an …
Biurete Mohr Marienfeld 2422041 cu robinet NS din sticla, 100 ml, …
Biureta este un instrument volumetric, calibrat, cu gradatie liniara si robinet. Acesta este utilizat in laboratoare pentru masuratori cantitative sau pentru livrarea de volume mai mici in operatiunile de titrare. Biureta este calibrata, volumul imprimat corespunde exact cantitatii de …
- 某些结果已被删除