Understanding GMO-Free (Non-GMO) Grade
“GMO-free” (often marketed as Non-GMO) indicates a product is not derived from genetically modified organisms (GMOs) and controls are in place to avoid adventitious/technical contamination.
Knowledge Base
Reagent Specifications, Grading and Purity
What reagent grades, purity labels and specifications mean: ACS/AR, HPLC, electronic grade and tag-grade proteins, in 190+ guides from Aladdin Scientific.
194 articles
Cosmetic Grade Explained
“Cosmetic grade” isn’t a single global purity label. It means a raw material is suitable for use in cosmetics because it complies with cosmetic regulations in the market where the finished product will be sold and is controlled under cosmetics GMP.
What Is E 508? The Food-Additive Grade of Potassium Chloride Explained
E 508 is the EU “E-number” for potassium chloride (KCl) when it’s used as a food additive. E-numbers are assigned within the European Union after safety assessment by EFSA; detailed identity and purity specifications for each approved additive are laid down in Commission Regulation (EU) No ...
Picking CP Grade Reagents: Applications, Limits, and Upgrade Paths
CP (Chemical Pure) is the workhorse grade for routine synthesis, teaching labs, and everyday process steps—built for dependable performance at sensible cost. It is not a globally harmonized designation: the label “CP” does not equal an ACS grade. In Mainland China and some adjacent ...
Sublimed Grade in Chemical Reagents: A Complete Guide
Sublimation is the direct transition of a solid to vapor and back to solid without a liquid phase; it’s used to purify volatile solids by letting the target compound vaporize and re-deposit on a cold surface, leaving most non-volatile impurities behind.
For IVD Application
In vitro diagnostics (IVD) bridge fundamental research and clinical medicine and demand exceptionally high standards for reagent purity, stability, and compliance. Reagents for IVD applications must not only ensure analytical sensitivity and specificity, but also satisfy regulatory, standards, ...
For DNA Synthesis
In synthetic biology, molecular diagnostics, and drug discovery, DNA synthesis is a core technical step. Whether for oligonucleotide synthesis, gene synthesis, or in-vitro amplification and modification, high-quality raw reagents are essential. “For DNA Synthesis” grade reagents emphasize ...
For Protein Sequencing
In modern life sciences and drug development, protein sequencing is a key technology for revealing protein structure, modifications, and function. Whether by Edman degradation or mass spectrometry (MS/MS), the use of high-quality reagents is central to accuracy and reproducibility. “For ...
Nanoparticles in Chemical Reagents: What They Are, How They’re Qualified, and How to Choose
Nanoparticles are materials with key dimensions typically 1–100 nm. At this scale the surface-to-volume ratio explodes, so surface chemistry dominates: particles stick together more easily, react faster, scatter light differently, and can even show quantum-size effects (e.g., colloidal Au ...