“用于制备（For Preparation）”试剂解读
“用于制备（For Preparation）”指的是供应商自定义的一类质量等级，面向日常制备化学（有机或无机）应用，在这些应用中，超痕量杂质的严格控制对结果并非关键。该等级没有统一的外部标准——制造商会根据制备用途自行制定适当的技术指标与质量控制（QC）项目。不少供应商推出以“用于合成（for ...
阿拉丁试剂的规格、级别和纯度
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阿拉丁试剂的规格、级别和纯度
探索阿拉丁生物化学品和试剂的详细规格、分级标准和纯度水平。确保科学研究的可靠性和性能。
392 篇文章
用于核酸电泳
核酸电泳（Nucleic Acid Electrophoresis）是分子生物学实验中最常用的分离与检测手段之一，用于分析DNA、RNA及其片段的大小、完整性与纯度。
For enzyme immunoassay(ELISA)
Enzyme-linked immunosorbent assay (ELISA) is a highly sensitive quantitative detection method based on the specific reaction between antigen and antibody, and is widely used in immunology, molecular biology, drug development, and clinical diagnosis. Because the detection signal of this technique ...
For Nucleic Acid Electrophoresis
Nucleic acid electrophoresis is one of the most commonly used separation and detection methods in molecular biology experiments.
用于酶联免疫（ELISA）
酶联免疫吸附实验（Enzyme-Linked Immunosorbent ...
电化学级试剂：含义及何时使用
“电化学级”指为最大限度降低电活性杂质而专门制备并经验证的试剂——最常见的是溶剂和支持电解质。这些杂质（如水分、质子性/可氧化/可还原物种、痕量金属、卤化物、过氧化物）会扭曲电化学测量或缩窄电化学稳定窗口。以色谱或光学测试定义的HPLC ...
Electrochemical Grade Reagents: What It Means and When to Use It
“Electrochemical grade” refers to reagents—most commonly solvents and supporting electrolytes—manufactured and qualified to minimize electroactive impurities (moisture, protic/oxidizable/reducible species, trace metals, halides, peroxides) that distort electrochemical measurements or narrow the ...
Hydrophilicity & Hydrophobicity in the Lab: A Practical Guide
Hydrophilicity / hydrophilic: tendency to be solvated by water and interact with polar groups/solvents.
FCC Grade Explained: Definition, Tests, Uses & How to Choose
FCC grade indicates a material meets the compendial specifications in the Food Chemicals Codex (FCC)—a collection of internationally recognized standards for the identity, purity, and quality of food ingredients. The FCC is maintained and published by the U.S. Pharmacopeia (USP). In August 2006, ...
危险品化学品经营许可证（带存储）