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Sigma:對(duì)草快,36541-100MG,CAS:75365-73-0 屬性: 質(zhì)量水平:100 等級(jí):analytical standard 產(chǎn)品線:PESTANAL® 形式:neat 保質(zhì)期:limited shelf life, expiry date on the label 應(yīng)用:HPLC: suitable gas chromatography (GC): suitable
Sigma:無水氯化金,379948-250MG,CAS:13453-07-1 屬性: 質(zhì)量水平:100 測(cè)定:≥99.99% trace metals basis 形式:solid reaction suitability:reagent type: catalyst core: gold 雜質(zhì):≤ 100.0 ppm Trace Metal Analysis
Sigma:礦物油,330760-1L,CAS:8042-47-5 屬性: 質(zhì)量水平:200 形式:liquid (colorless) 顏色:white 折射率:n20/D 1.467 (lit.) 密度:0.862g/mLat 25°C
Sigma:TMP,241024-50G,CAS:512-56-1 屬性: 質(zhì)量水平:200 測(cè)定:≥99% 折射率:n20/D 1.395 (lit.) Bp:197°C (lit.) Mp:?46°C (lit.) 密度:1.197g/mLat 25°C (lit.)
Sigma:丹寧酸,403040-100G,CAS:1401-55-4 屬性: 質(zhì)量水平:200 等級(jí):ACS reagent 自燃溫度:980°F 灼燒殘?jiān)骸?.5% 缺失:≤12.0% loss on drying, 105°C Mp:218°C (lit.) 痕量陽(yáng)離子:Zn: ≤0.005% heavy metals: ≤0.003%
Sigma:碳酸鈣,398101-100G,CAS:471-34-1 屬性: 質(zhì)量水平:200 等級(jí):ACS reagent chelometric standard 測(cè)定:99.95-100.05% dry basis 形式:powder 雜質(zhì):≤0.01% NH4OH pptd. ≤0.01% insol. dil. HCl pH值(酸堿度):8 溶解性:dilute HCl: 6.7%
Sigma:磺胺嘧啶,35033-100MG,CAS:68-35-9 屬性: 質(zhì)量水平:100 等級(jí):analytical standard 機(jī)構(gòu)/方法:EPA 1694 產(chǎn)品線:VETRANAL® 形式:neat
Sigma:白藜蘆醇,34092-100MG,CAS:501-36-0 屬性: 等級(jí):analytical standard 質(zhì)量水平:100 形式:neat 保質(zhì)期:limited shelf life, expiry date on the label 應(yīng)用:HPLC: suitable gas chromatography (GC): suitable
Sigma:丁酸鈉,303410-5g,CAS:156-54-7 屬性: 質(zhì)量水平:200 測(cè)定:98% Mp:250-253°C (lit.) SMILES string:[Na+].CCCC([O-])=O
Sigma:氯化鈷,31277-100G,CAS:7791-13-1 屬性: 質(zhì)量水平:200 等級(jí):ACS reagent puriss. p.a. 機(jī)構(gòu)/方法:reag. Ph. Eur. 蒸汽壓:40 mmHg ( 0 °C) 測(cè)定:98-102% 形式:solid 雜質(zhì): ≤0.01% water-insoluble matter