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N-Methyl-2-Pyrrolidone (NMP) for GC-HS analysis refers to a high-purity grade of NMP specifically manufactured with minimal impurities and low water content to ensure reliable and reproducible results in gas chromatography–headspace analysis. Key specifications for this grade typically include an assay of at least 99.9% anhydrous and a water content below 0.05%.
| Name | Volume |
|---|---|
| N-Methyl-2-Pyrrolidone (For GC H S Analysis) | 1 L |
Methanol is used as a chemical feedstock to produce plastics, formaldehyde, and acetic acid; as a clean-burning fuel in engines and fuel cells; and as a solvent in paints, inks, and dyes. It also functions as an antifreeze in car radiators and windshield washer fluid and is used in the pharmaceutical industry.
| Name | Volume |
|---|---|
| N-Methyl-2-Pyrrolidone (For GC H S Analysis) |
500 ml 1 L 4 L |
Water ULC-MS is a high-purity water used as a solvent and mobile phase in Ultra-Performance Liquid Chromatography–Mass Spectrometry (UPLC-MS) and similar techniques. It is specifically purified to have high UV transmittance, low levels of trace metals and particulates, and low ionic content, which minimizes interference with sensitive mass spectrometry detection. This grade of water ensures high performance and accuracy in analytical applications such as pharmaceutical analysis, environmental monitoring, and food and beverage testing.
| Name | Volume |
|---|---|
| Water ULC-MS |
500 ml 1 L 4 L |
Acetonitrile (CH₃CN) is a colorless, volatile, aprotic polar organic solvent with an ether-like odor that is commonly used in analytical chemistry, such as for high-performance liquid chromatography (HPLC), and in pharmaceuticals for drug synthesis and purification. It is also known as methyl cyanide and is the simplest organic nitrile. While useful, it is flammable and toxic, as it can be metabolized to hydrogen cyanide in the body.
| Name | Volume |
|---|---|
| Acetonitrile |
500 ml 1 L 4 L |
Dimethylacetamide, For GC H S Analysis (1 L) refers to a 1-liter bottle of N,N-Dimethylacetamide (DMAC) solvent specifically prepared for Headspace Gas Chromatography (GC-HS) analysis. This grade is highly purified, with minimal impurities, to ensure accurate results when used for testing organic volatile impurities (OVIs), often as defined by ICH guidelines. The “1 L” indicates a 1-liter package size.
| Name | Volume |
|---|---|
| Dimethylacetamide, For GC H S Analysis |
1 L |
Water for HPLC (High-Performance Liquid Chromatography) is highly purified water used as a solvent, especially for mobile phase preparation, buffers, and sample solutions in chromatography.
It differs from tap water because it is ultra-pure, free of particulates, and has low UV absorbance to prevent interfering with results.
HPLC-grade water is manufactured using purification methods like reverse osmosis, ion-exchange, and filtration to ensure high quality and reliability.
| Name | Volume |
|---|---|
| Water HPLC |
1L, 5L |