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Sigma:棕櫚酸,76119-5G,CAS: 57-10-3 屬性: 質(zhì)量水平:100 等級(jí):analytical standard 蒸汽壓:10 mmHg ( 210 °C) 測(cè)定:≥99.0% (GC) 形式:neat 保質(zhì)期:limited shelf life, expiry date on the label
Sigma:天然黃3,78246-100MG 屬性: 等級(jí):matrix substance for MALDI-MS 質(zhì)量水平:100 蒸汽密度:13 (vs air) 測(cè)定:≥99.5% (HPLC) 形式:powder 應(yīng)用:MALDI-MS: suitable Mp:183-188°C 痕量陽離子:Na: ≤50mg/kg 儲(chǔ)存溫度:2-8°C
Sigma:十二烷基*|SDS,74255-250G,CAS:151-21-3 屬性: 質(zhì)量水平:100 等級(jí):for molecular biology 描述:anionic 62 測(cè)定:≥99.0% (GC) 質(zhì)量:dust-free pellets 分子量:288.38g/mol 雜質(zhì): DNases, none detected RNases, none detected
Sigma貨號(hào):72485-100MG,尼羅紅,CAS:7385-67-3 屬性: 質(zhì)量水平:100 等級(jí):for microscopy Mp:203-205°C (lit.) Λmax:553 nm
Sigma:透明質(zhì)酸鈉,75046-10MG,CAS:9067-32-7 屬性: 質(zhì)量水平:100 分子量:90,000-110,000 適用性:conforms to structure for Infrared spectrum 運(yùn)輸:wet ice 儲(chǔ)存溫度:?20°C
Sigma:二氧化鈦,718467-100G,CAS:13463-67-7 屬性: 質(zhì)量水平:100 測(cè)定:≥99.5% trace metals basis 形式:nanopowder 一次粒徑:21nm (TEM) 表面積:35-65m2/g (BET) Mp:1850°C 350°C (lit.) 密度:4.26g/mLat 25°C (lit.)
Sigma:磷酸氫二鈉,71649-500G,CAS:10039-32-4 屬性: 質(zhì)量水平:200 產(chǎn)品線:BioXtra 測(cè)定:≥99.0% (T) 形式:crystals 應(yīng)用:histology: suitable 雜質(zhì):insoluble matter, passes filter test pH值(酸堿度):8.8-9.4 (25°C, 0.1M in H2O)
Sigma:四氧化三鐵,637106-25G,CAS:1317-61-9 屬性: 質(zhì)量水平:100 測(cè)定:97% trace metals basis 形式:nanopowder spherical 粒徑:50-100nm (SEM) 表面積:BET surf. area 6-8m2/g (estimated) Mp:1538°C (lit.) 密度:4.8-5.1g/mLat 25°
Sigma:溶菌酶,62971-10G-F,CAS:12650-88-3 屬性: 形式:powder (crystalline) 質(zhì)量水平:100 specific activity:~70000U/mg 分子量:single-chain 14.3kDa Mr~14600 儲(chǔ)存溫度:2-8°C
Sigma:D(+)-乳糖一水合物,61339-25G,CAS:64044-51-5 屬性: 產(chǎn)品線:BioUltra 質(zhì)量水平:100 測(cè)定:≥99.5% (HPLC) 旋光性:[α]20/D +53±1°, 22hr, c =10% in H2O 雜質(zhì):insoluble matter, passes filter test 灼燒殘?jiān)骸?.05% (as SO4)