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Sigma:甲酸鈉,71539-500g,CAS:141-53-7 屬性: 產(chǎn)品線:BioUltra 質(zhì)量水平:200 測定:≥99.0% (NT) 雜質(zhì):insoluble matter, passes filter test pH值(酸堿度):7.0-8.5 (25°C, 1M in H2O) Mp:259-262°C (lit.) 溶解性:H2O: 1M at20°C, clea
Sigma:萘草胺,33371-100MG,CAS:132-66-1 屬性: 質(zhì)量水平:100 等級:analytical standard 產(chǎn)品線:PESTANAL® 保質(zhì)期:limited shelf life, expiry date on the label 應(yīng)用:HPLC: suitable NMR: suitable gas chromatography (GC): suitable
Sigma:溴化鉀,60089-100G,CAS: 7758-02-3 屬性: 質(zhì)量水平:100 蒸汽壓:0.01 mmHg ( 20 °C) 1 mmHg ( 795 °C) 產(chǎn)品線:BioUltra 測定:≥99.5% (AT) 雜質(zhì):insoluble matter, passes filter test ≤0.001% total nitrogen (N)
Sigma:抗壞血酸,1043003-1G 屬性: 等級:pharmaceutical primary standard 形式:neat manufacturer/tradename:USP 應(yīng)用:HPLC: suitable Mp:190-194°C (dec.) 特色行業(yè):Pharmaceutical (small molecule) 格式:neat
Sigma:司盤80,85548-250ML,CAS:1338-43-8 屬性: 描述:non-ionic 質(zhì)量水平:100 分子量:428.60g/mol 折射率:n20/D 1.48 (lit.) 粘度:1000-2000mPa.s(20°C) HLB值:4.3±1.0 密度:0.99g/mLat 20°C 0.986g/mLat 25°C (lit.)
Sigma:馬鈴薯淀粉,85642-25g,CAS:9005-25-8 屬性: 生物來源:potato 質(zhì)量水平:100 質(zhì)量:acc. to Zulkowsky (starch, treated with glycerol at 190°C) 灼燒殘渣:≤7% (as SO4) 缺失:≤10% loss on drying pH值(酸堿度):6.5-7.5 (25°C, 2% in H2O)
Sigma:D-山梨醇,85529-250G,CAS:50-70-4 屬性: 質(zhì)量水平:200 蒸汽密度:1 (vs air) 蒸汽壓:0.1 mmHg ( 25 °C) 產(chǎn)品線:BioUltra 測定:≥99.0% (HPLC) 形式:powder 旋光性:[α]20/D ?1.5±0.3°, c =10% in H2O 雜質(zhì):insoluble matter, passes filter
Sigma:水楊酸,84210-100G,CAS:69-72-7 屬性: 質(zhì)量水平:200 蒸汽密度:4.8 (vs air) 蒸汽壓:1 mmHg ( 114 °C) 等級:puriss. p.a. 測定:≥99.0% (T) 灼燒殘渣:≤0.05% (as SO4) 缺失:≤0.5% loss on drying Bp:211°C (lit.)
Sigma:氣溶膠OT,86140-100G,CAS:577-11-7 屬性: 質(zhì)量水平:200 等級:purum 測定:≥96.0% (TLC) 雜質(zhì):≤2% water
Sigma:三氧化鉬,203815-5G,CAS:1313-27-5 屬性: 質(zhì)量水平:100 測定:99.97% trace metals basis 形式:powder Mp:795°C (lit.) 特色行業(yè):Battery Manufacturing