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Pumps used in high-pressure chromatography such as HPLC and ion chromatography are much like small piston metering pumps. For wear resistance and chemical resistance to solvents, etc., typically the pistons are made of artificial sapphire and the ball check valves have ruby balls and sapphire seats.
Polysorbate 80 is a surfactant and solubilizer used in a variety of oral and topical pharmaceutical products.. Polysorbate 80 is also an excipient that is used to stabilize aqueous formulations of medications for parenteral administration, and used as an emulsifier in the making of the antiarrhythmic amiodarone. [9]
Quercitannic acid is one of the two forms of tannic acid [4] found in oak bark and leaves. [5] The other form is called gallotannic acid and is found in oak galls.. The quercitannic acid molecule is also present in quercitron, a yellow dye obtained from the bark of the Eastern black oak (Quercus velutina), a forest tree indigenous in North America.
The Penguin is an American crime drama television miniseries developed by Lauren LeFranc for HBO.Based on the DC Comics character of the same name, it serves as a spin-off from the 2022 film The Batman, and follows Oz Cobb's rise to power in Gotham City's criminal underworld.
Syria, [g] officially the Syrian Arab Republic, [h] [17] is a country in West Asia located in the Eastern Mediterranean and the Levant.It borders the Mediterranean Sea to the west, Turkey to the north, Iraq to the east and southeast, Jordan to the south, and Israel and Lebanon to the southwest.
Nguyễn Khoa Tóc Tiên (Vietnamese: [tɐwk͡p̚˧ˀ˦ tiɜŋ˧]; born 13 May 1989), [1] known simply as Tóc Tiên, is a Vietnamese singer.. Beginning her career as a child, Tiên later became a teen idol, participating in several singing competitions and releasing two studio albums: Nụ cười nắng mai (2007) and Tóc Tiên thiếu nữ (2008).
The COVID-19 pandemic in Vietnam has resulted in 11,624,000 [1] confirmed cases of COVID-19 and 43,206 [1] deaths. The number of confirmed cases is the highest total in Southeast Asia, and the 13th highest in the world.