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Spectronic 20. The Spectronic 20 is a brand of single-beam spectrophotometer, designed to operate in the visible spectrum [1] across a wavelength range of 340 nm to 950 nm, with a spectral bandpass of 20 nm. [2][3] It is designed for quantitative absorption measurement at single wavelengths. [1] Because it measures the transmittance or ...
9780367417246 (101st ed.) Website. https://hbcp.chemnetbase.com. The CRC Handbook of Chemistry and Physics is a comprehensive one-volume reference resource for science research. First published in 1914, it is currently (as of 2023) in its 104th edition, published in 2023. It is known colloquially among chemists as the "Rubber Bible", as CRC ...
A laboratory notebook (colloq. lab notebook or lab book) is a primary record of research. Researchers use a lab notebook to document their hypotheses, experiments and initial analysis or interpretation of these experiments. The notebook serves as an organizational tool, a memory aid, and can also have a role in protecting any intellectual ...
The GLP regulations aim to standardize procedures and practices in nonclinical studies to ensure accurate, reliable, and traceable data. This background helps highlight the significance of adhering to GLP standards in research and regulatory contexts. GLP was first introduced in New Zealand and Denmark in 1972. [6]
ISO/IEC 17025 allows laboratories to carry out procedures in their own ways, but require the laboratory to justify using a particular method. In common with other ISO quality standards, ISO/IEC 17025 requires continual improvement. Additionally, the laboratory will be expected to keep abreast of scientific and technological advances in relevant ...
A pipette (sometimes spelled as pipet) is a type of laboratory tool commonly used in chemistry and biology to transport a measured volume of liquid, often as a media dispenser. Pipettes come in several designs for various purposes with differing levels of accuracy and precision , from single piece glass pipettes to more complex adjustable or ...
Laboratory quality control is designed to detect, reduce, and correct deficiencies in a laboratory's internal analytical process prior to the release of patient results, in order to improve the quality of the results reported by the laboratory. Quality control (QC) is a measure of precision, or how well the measurement system reproduces the ...