甲醇 gradient grade, for HPLC, ≥99.9% 500ml 200元 甲醇 用于蛋白测序,≥99.9 % 1L 500元 甲醇 无丙酮,用于Romanowsky甲醇染色法 4L 900元 甲醇 AMD, ≥99.9% 4L 790元 甲醇 LC-MS,≥99.9% 4×4L 4980元 甲醇 LC-MS,≥99.9% 4L 1500元 甲醇 LC-MS,≥99.9% 1L 500元 甲醇 ACS 光谱级, ...
危险化学品经营许可证 该公司其他产品 甲醇METHANOL LC/MS OPTIMA 4L价格:价格电议产品详情:昀冠目前能够提供十数条产品线,十几万种产品,包括:个人防护及安全,环境、食品检测,实验室常备仪器,实验室耗材、试剂,物理... 上海昀冠机电设备有限公司胡苏伟 即时洽谈...
for LC-MS UltraPureChrom™ ≥99.9% CAS编号:67-56-1 分子式:CH3OH 分子量:32.04 Beilstein号:3662861 EC号:200-659-6 MDL号:MFCD00004595 PubChem编号:887 货号(SKU)包装规格是否现货价格数量 M116125-1L 1L现货 原价:¥299.90 +- M116125-2.5L ...
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Using an expired batch of LC–MS grade methanol, electrospray signals were suppressed by as much as 95% for all compounds measured using positive mode electrospray. Conversely, the negative mode electrospray signals of compounds such as 4-octyl benzoic acid showed an enhancement of up to 96% ...
Acetonitrile is a commonly used mobile phase component in various chromatographic techniques, such as high-performance liquid chromatography (HPLC) and liquid chromatography-mass spectrometry(LC-MS) 关联靶点 名称和识别符 化学和物理性质 安全和危险性(GHS) ...
All reagents and solvents were of LC grade and purchased from Merck KGaA (Darmstadt, Germany). The purity of ethanol, IPA, methanol, 2-butanol, and acetonitrile were ≥ 99.90%, ≥ 99.90%, ≥ 99.97%, ≥ 99.00%, and ≥ 99.90%, respectively, as stated on the solvents’ specifi...
To confirm complete biomass formation from methanol alone, we utilized13C metabolic tracer analysis and determined the13C labeled fraction of protein-bound amino acids by liquid chromatography coupled mass spectrometry (LC-MS) in MEcoli_ref_1 grown in medium containing no additional carbon sources (...
grade certified reference material Quality Level 300 form liquid feature (Snap-N-Spike®) packaging ampule of 1 mL manufacturer/tradename Cerilliant® drug control Narcotic Licence Schedule E (Switzerland); psicótropo (Spain); Decreto Lei 15/93: Tabela IIA (Portugal) concentration 100 μg/mL...
UltraPureChrom™ for LC-MS CAS编号:75-05-8(solution) 分子式:CH3CN 分子量:41.05 Beilstein号:741857 EC号:200-835-2 PubChem编号:6342 货号(SKU)包装规格是否现货价格数量 A433543-1L 1L现货 原价:¥856.90 +- A433543-2.5L 2.5L现货 原价:¥1,807.90 ...