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Micro-Volume spectrophotometer
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Introduced oligonucleotides, single-stranded, double-stranded DNA, as well as RNA can be quantitativIntroduced oligonucleotides, single-stranded, double-stranded DNA, as well as RNA can be quantitatively dissolved in the buffer，The purine and pyrimidine bases that constitute nucleic acids have conjugate double bonds,Make the nucleoside nuclei and nuclei[more]
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Application scheme for determination of protein nucleic acid Content (ultraviolet absorption)Because the benzene ring of tyrosine and tryptophan residues in protein molecules contains conjugated double bonds, the protein has the property of absorbing ultraviolet light, and the absorption peak is at 280nm wavelength. In this wavelength range, the[more]
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Determination of NaCl with very low content (Spectrophotometry)The chloride ion (Cl) in the sample all replaced the thiocyanate group (SCN -) in mercury thiocyanate, and the replaced thiocyanate group (SCNT) reacted with ferric nitrate to produce iron thiocyanate, which showed red color.[more]
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