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Home > Analytical Chemistry > Standard (Find 98 items)

Analytical Chemistry

Standard

Acyclovir Impurity I: 7,9'-[Ethylene-bis(oxymethylene)] Bis (2-amino-1-9-dihydro-6H-purin-6-one)

(1797832-75-7)

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Arjungenin

(58880-25-4)
Arjungenin, a triterpene isolated from Terminalia arjuna, is an insect feeding-deterrent and growth inhibitor[1][2].

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Albendazole-D3

(1353867-92-1)
Labeled Albendazole, intended for use as an internal standard for the quantification of Albendazole by GC- or LC-mass spectrometry.

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Aroclor 1016

(12674-11-2)
Insulator fluid for electric condensers; additive in high pressure lubricants. In fluorescent and high-intensity discharge ballasts manufactured prior to 1979 (U.S. EPA, 1998).
At a concentration of 5 to 25 wt %, increased the effective kill-life of the lindane spray up to 10 times. May have been used in chlordane and BHC insecticide formulations (Monsanto, 1960).

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Aroclor 1242

(53469-21-9)
Dielectric liquids; in fixed paper capacitors; heat-transfer liquid widely used in transformers and utility transmission lines; swelling agents for transmission seals; ingredient in lubricants, oils, and greases; plasticizers for cellulose products, vinyl, and chlorinated rubbers; in polyvinyl acetate to improve fiber-tear properties. In fluorescent and high-intensity discharge ballasts manufactured prior to 1979 (U.S. EPA, 1998) and in electric motors (Monsanto, 1960).
Prior to being banne

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ALACHLOR-D13

(1015856-63-9)
Labelled Alachlor (A450800). Pre-emergence herbicide.

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In the analysis work, it is often necessary to use a compound of good quality and accurate content, which is used as a comparison for detection control, or used to calibrate the instrument. This compound is called a standard. Or standard. The standard product refers to the standard substance used to determine the potency of biological products. The production department must provide the standard product expressed in units (μ) of its potency when it is approved as a quality standard for biological products. According to the application, the standard products for inspection can be divided into biological standard products for biological verification of biological products, endocrine drugs, antibiotics and so on.
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