The glass is alkali-lime-lead-silica and, when the paste was fired or cooled, wollastonite and diopside crystals formed within the glass fragments.
en.wikipedia.org Collagen hydrolysis is performed by one of three different methods: acid-, alkali-, and enzymatic hydrolysis.
en.wikipedia.org The alkali metal magnetometer is very expensive to use but it is very sensitive and has fast cycles when it is used.
en.wikipedia.org Impurities include alkali-metal sulfide, sulfate, trithiocarbonates, thiosulfate, sulfite, or carbonate as well as residual raw material such as alcohol and alkali hydroxide.
en.wikipedia.org In general, frits, glasses and faience are similar materials: they are all silica-based but have different concentrations of alkali, copper and lime.
en.wikipedia.org