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Sigma試劑:氧化釩(Ⅲ),463744-5G,CAS:1314-34-7 屬性: 質(zhì)量水平:100 測定:99.99% trace metals basis 形式:powder and chunks 組成:V2O3 reaction suitability: reagent type: catalyst core: vanadium 環(huán)保替代產(chǎn)品特性:Design for Energy Eff
Sigma試劑:四硼酸鈉,221732-100G,CAS:1330-43-4 屬性: 質(zhì)量水平:200 測定:99% Mp:741°C (lit.) 密度:2.367g/mLat 25°C (lit.) SMILES string:[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2 InChI:1S/B4O7.2Na/c5-1-7-3-9-2(6)10-4(8-1)
Sigma試劑:乙酰膽堿酯酶,C3389-500UN,CAS:9000-81-1 屬性: 質(zhì)量水平:200 類型:Type VI-S 形式:lyophilized powder specific activity:200-1,000units/mg protein 分子量:280kDa 組成:Protein, ≥60% biuret 溶解性:20 mM Tris HCl buffer, pH
Sigma試劑:ProClin 300,48914-U 屬性: 質(zhì)量水平:300 包含:Alkyl Carboxylate as stabilizer 組成:CMIT/MIT, 3% 包裝:pkg of 400mL 基質(zhì):Modified glycol 操作pH范圍:2.5 - 8.5
Sigma試劑:1-十四硫醇,87193-5ML,CAS:2079-95-0 屬性: 測定:≥98.0% (GC) 折射率:n20/D 1.461 密度:0.846g/mLat 20°C (lit.) SMILES string:CCCCCCCCCCCCCCS InChI:1S/C14H30S/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15/h15H,2-14H2,
Sigma試劑:茉莉酮酸甲酯,W341002-25G-K,CAS:39924-52-2 屬性: 質(zhì)量水平:400 生物來源:synthetic 等級:FG Halal Kosher 機構(gòu)/方法:follows IFRA guidelines reg. Compliance :EU Regulation 1223/2009 EU Regulation 1334/2008 & 872/2012 FDA
Sigma試劑:玻璃珠,Z250465-1PAK 屬性: 直徑:0.5mm 一般描述: 玻璃的密度為 2.5 g/cc,是常用的“珠磨”介質(zhì)。珠子一磅瓶裝。
Sigma試劑:pH試紙,P4536-100EA 屬性: 特點:non-bleeding: no refill: no pH measuring range:4.5-10.0, resolution: 0.5pH unit detection method:colorimetric
Sigma試劑:碳負(fù)載鉑催化劑,205958-1G 屬性: 質(zhì)量水平:200 reaction suitability:core: platinum reagent type: catalyst 環(huán)保替代產(chǎn)品特性:Design for Energy Efficiency Learn more about the Principles of Green Chemistry. 標(biāo)記范圍:10wt.
Sigma試劑:2,2'-聯(lián)吡啶,D216305-10G 屬性: 質(zhì)量水平:200 生物來源:synthetic (organic) 產(chǎn)品線:ReagentPlus® 測定:≥99% 形式:powder or crystals