Required Practical 8 Required Practical 8: Measuring the EMF of a cell To measure a cell EMF you will need Two small beakers, around 75 cm3?capacity Strips of suitable metals such as copper,...
Interpreting Chromatograms The less polar components travel further up the TLC plate Their?Rf?values are higher?than those closer to the baseline They are?more soluble?in the mobile phase an...
Gas Chromatography Gas-Liquid Chromatography (GLC) is used for analysing: Gases Volatile liquids Solids in their vapour form The stationary phase: This method uses a long coiled colum...
Column Chromatography Column Chromatography In column chromatography, the column is often a long vertical glass tube or in the laboratory a burette is suitable An inert solid (usually powder...
Thin Layer Chromatography Thin-layer chromatography (TLC) is a technique used to analyse small samples via separation For example, we could separate a dye out to determine the mixture of dye...
13C NMR Nuclear Magnetic Resonance (NMR) spectroscopy is used for analysing organic compounds Atoms with odd mass numbers usually show signals on NMR For example, isotopes of atoms Many of t...
高考成績出爐了，面對這場千萬人參加的大考，高考生面臨的壓力可想而知，不少學(xué)生和家長將目光投向更廣闊的海外院校。澳洲擁有優(yōu)質(zhì)的環(huán)境和教育，以及靈活多樣的本科入學(xué)方式，成為高考留學(xué)雙保險的首選國家。 20...
1H NMR Features of a?1H NMR spectrum NMR spectra shows the intensity of each peak against their chemical shift The area under each peak gives information about the number of protons in a par...
每年申請季之初，很多美國大學(xué)都會舉辦招生宣講會。近期，包括哈佛、MIT在內(nèi)的美國TOP 30大學(xué)及文理學(xué)院公布了宣講會的最新時間。下面我們就為大家匯總了一波美國留學(xué)2022線上招生宣講時間及預(yù)約網(wǎng)址！一起來看一...
如果你還沒想好，可以看看QS最新發(fā)布的“2023年最佳留學(xué)城市排名”，2023年QS最佳留學(xué)城市排名中，參評城市數(shù)量空前，多所城市首次現(xiàn)身。快來根據(jù)排名，一起了解這些新上榜城市及其優(yōu)勢領(lǐng)域吧。 達(dá)勒姆 屬地：美國 ...
在留學(xué)專業(yè)的選擇過程中，就業(yè)前景也是非常重要的一環(huán)。特別是很多留學(xué)生希望在美國大學(xué)畢業(yè)之后有一段時間的工作經(jīng)歷，那么就業(yè)前景思考就更為重要了。根據(jù)喬治城大學(xué)教育和勞動力中心的數(shù)據(jù)，80% 的本科學(xué)生都...
英國大學(xué)的主要開學(xué)時間為每年9月底或10月初，所以同學(xué)們現(xiàn)在準(zhǔn)備申請、備考雅思、辦理后續(xù)和簽證都來得及。除了成績、背景這種自身?xiàng)l件因素，遞交申請的時間也是一門學(xué)問！今天就帶大家一起來看看英國大學(xué)碩士申...
