2,5-二羟基苯甲酸,2,5-Dihydroxybenzoic acid [2,5-DHBA, DHB];matrix substance for MALDI-MS, >99.0% (HPLC)
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羧基化爆轰纳米金刚石悬浮液,10 nm Carboxylated ND Suspension 1 wt. %
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乙基纤维素,Ethyl cellulose [EC];viscosity 4 cP, 5 % in toluene/ethanol 80:20(lit.), extent of labeling: 48% ethoxyl
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焦亚硫酸钾,Potassium disulfite [PMB];for analysis EMSURE®, ≥96% (iodometric)
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硬脂酸钠;Sodium stearate;≥98.0%
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硫化钾 [钾碱],Potassium sulfide;small lumps for analysis EMSURE®
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三氯(辛基)硅烷,Trichloro(octyl)silane [OTS];97%