What is Folin-Ciocalteu reagent?

What is Folin-Ciocalteu reagent? The Folin–Ciocalteu reagent which is a mixture of tungstates and molybdates works on the mechanism of oxidation–reduction reaction. The method strongly relies on the reduction of the mixture heteropolyphosphotungsates–molybdates by the phenolic compound which results in the formation of blue coloured chromogen. What is the Folin-Ciocalteu Read more…

What is ETD 150?

What is ETD 150? E.T.D. 150® stands for Elevated Temperature Drawing process. This eliminates heat treating and secondary operations such as straightening, finish grinding, cleaning and inspections. This eliminates heat treating and secondary operations such as straightening, finish grinding, and cleaning. How hard is ETD 150? e.t.d 150 has a150,000 Read more…

Apa itu semboyan 40 41?

Apa itu semboyan 40 41? Semboyan 40 ini menjadi tanda pemberian izin kepada kondektur bahwa kereta siap diberangkatkan. Kemudian, kondektur akan menjawabnya dengan semboyan 41. Caranya dengan membunyikan peluit, sebagai tanda kondektur memberikan perintah berangkat ke masinis. Berapa kali kereta api membunyikan klakson saat melewati persimpangan? Jadi, seperti namanya, hal-hal Read more…