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Analytical Chemistry

Standard

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Cyclohexylethylamine

(5459-93-8)
Intermediate in production of herbicides and pharmaceuticals.

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Calcipotriol Monohydrate

(147657-22-5)
Calcipotriol monohydrate is a synthetic VitD3 analogue with a high affinity for the vitamin D receptor.

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Canola oil

(120962-03-0)
As a vegetable Oil widely used in the field of cooking, Canola Oil not only plays an important role in daily home cooking, but also has been widely used in various catering industries. Because of its high smoke point, it is particularly suitable for high temperature cooking, such as frying and stir-frying. This property makes Canola Oil less likely to produce harmful substances at high temperatures, thus ensuring food safety during cooking. In addition to its direct use in cooking, Canola Oil is also widely used to make a variety of condiments and sauces. For example, in the preparation of salad dressing, Canola Oil can be used as one of the main ingredients, giving the dressing its unique texture and flavor. In addition, Canola Oil also plays an important role in baked goods, whether it is bread, cakes or biscuits, the use of Canola Oil can make these foods more soft and tasty. Canola Oil is also essential in the production of processed foods. It can not only be used as a flavoring agent for food, but also extend the shelf life of food and improve the taste and nutritional value of food. As a result, Canola Oil is used in a wide range of convenience foods, snacks and condiments. Since Canola Oil is rich in monounsaturated and polyunsaturated fatty acids, these ingredients have many benefits for human health. For example, they help lower cholesterol levels in the blood and prevent cardiovascular disease. In addition, Canola Oil also contains a certain amount of vitamin E and other antioxidant substances, which help to strengthen the human immunity and delay aging. Because of this, Canola Oil is very popular among vegetarians and people who pay attention to a nutritious diet. It can not only meet people's needs for healthy eating, but also provide rich taste and delicious taste. Whether used as a cooking Oil or as an ingredient in a variety of foods, Canola Oil has become an integral part of the modern kitchen with its unique health benefits.

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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.

Frequently Asked Questions

What are Standard Chemicals?

Standard chemicals refer to high-purity reference substances used in analytical laboratories for calibration, validation, and quality control purposes. These include certified reference materials (CRMs), analytical standards, and reagent-grade compounds that meet internationally recognized specifications such as those from USP, EP, or ISO. They ensure accuracy and reproducibility in testing across pharmaceutical, environmental, and food safety applications.

How are Standard chemicals used in laboratory analysis?

Standard chemicals are essential in laboratory analysis for tasks such as instrument calibration, method validation, quantification of unknown samples, and ensuring regulatory compliance. For example, in HPLC or GC testing, a known concentration of a chemical standard is used to create a calibration curve, which allows accurate measurement of analytes in real-world samples. Their consistent purity and traceability make them indispensable in achieving reliable test results.

Are Standard chemicals the same as reagents?

No, standard chemicals and general reagents serve different purposes. Reagents are used to cause chemical reactions during synthesis or testing but may not have precisely defined purity. In contrast, standard chemicals are highly characterized substances with exact concentrations or purities, primarily used for measurement accuracy and quality assurance. While all standards can function as reagents, not all reagents qualify as standards due to variability in composition and lack of certification.

Where can I buy certified Standard chemicals for lab use?

Certified standard chemicals can be purchased from reputable suppliers that specialize in analytical reference materials, such as Sigma-Aldrich, Merck, AccuStandard, or LGC Standards. Ensure the supplier provides full documentation—including Certificates of Analysis (CoA), traceability statements, and proper storage guidelines—and complies with ISO 17034 or similar accreditation standards. Buying from authorized distributors also minimizes the risk of counterfeit or degraded products.

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