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Rubber bulbs are used in chemistry laboratories, by placing them on top of a glass or plastic tube. It serves as a vacuum source for filling reagents through a pipette or pasteur pipette and also help control the flow of liquid from the dropping bottle. [1] By using rubber bulb, the contact of the mouth to the chemicals can be avoided.
(These are for Class A pipettes; Class B pipettes are given a tolerance of twice that for the corresponding Class A.) A specialized example of a volumetric pipette is the microfluid pipette (capable of dispensing as little as 10 μL) designed with a circulating liquid tip that generates a self-confining volume in front of its outlet channels. [3]
DIMO had to reduce margins to absorb the sharp depreciation of the Sri Lankan Rupee in 2018. [7] In 2019, the company's conglomerate brand value was LKR7,730 million and ranked 15th amongst conglomerates in Sri Lanka. [8] DIMO was adjudged as the overall winner in the sixth Excellence in Integrated Reporting Awards in 2020 organized by the CMA ...
A small pipette allows for more precise measurement of fluids; a larger pipette can be used to measure volumes when the accuracy of the measurement is less critical. Accordingly, pipettes vary in volume, with most measuring between 0 and 25.0 millilitres (0.00 and 0.88 imp fl oz; 0.00 and 0.85 US fl oz). [2]
A safety lamp has to ensure that the triangle of fire is maintained inside the lamp, but cannot pass to the outside. Since any breathable atmosphere contains oxygen, and a safety lamp's raison d'être is to operate in an atmosphere also containing fuel (firedamp or coal dust), the element which must be blocked is heat. The key to manufacturing ...
Ceylon Petroleum Corporation, commonly known as CEYPETCO (CPC), is a Sri Lankan oil and gas company. Established in 1962 and wholly owned by the Government of Sri Lanka, it is the largest oil company in Sri Lanka. It was formed in 1961 by nationalisation and expropriation of all private oil companies in Sri Lanka at the time of its formation. [4]
Plastic Pasteur pipettes. An eye dropper, also called Pasteur pipette or simply dropper, is a device used to transfer small quantities of liquids. [1] They are used in the laboratory and also to dispense small amounts of liquid medicines.
The institution later functioned under the new act of the Sri Lanka Standards Institution Act No. 6 of 1984 replacing the previous outdated act. [2] The organisation works as a regulatory institution and it is a kind of state corporation on behalf of the government mainly to protect consumers from the unethical business trade malpractices.
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