Name | Specifications | Packing | Price | Delivery |
Dimethyl sulfoxide | 細(xì)胞培養(yǎng)級(jí) | 50ml | RMB 396 | 現(xiàn)貨 |
Dimethyl sulfoxide | ACS,>99.9% | 100ml | RMB 82.5 | 現(xiàn)貨 |
Dimethyl sulfoxide | ACS,>99.9% | 500ml | RMB 187 | 現(xiàn)貨 |
Dimethyl sulfoxide | 多肽合成專(zhuān)用 | 500ml | RMB 316.8 | Consulting service |
Dimethyl sulfoxide | 分光純 | 500ml | RMB 206.8 | Consulting service |
Dimethyl sulfoxide | GR | 10L | RMB 1078 | Consulting service |
Dimethyl sulfoxide | GR | 2.5L | RMB 327.8 | Consulting service |
Dimethyl sulfoxide | 農(nóng)殘級(jí) | 4L | RMB 968 | Consulting service |
Dimethyl sulfoxide | 農(nóng)殘級(jí) | 500ml | RMB 195.8 | Consulting service |
Dimethyl sulfoxide | 藥用級(jí) | 500ml | RMB 85.8 | Consulting service |
Dimethyl sulfoxide | 分子生物學(xué)專(zhuān)用,≥99.9% | 250ml | RMB 228.8 | Consulting service |
Dimethyl sulfoxide | 無(wú)水溶劑級(jí) | 500ml | RMB 228.8 | Consulting service |
Dimethyl sulfoxide | HPLC, 99.9% | 4L | RMB 858 | Consulting service |
Dimethyl sulfoxide | HPLC, 99.9% | 1L | RMB 228.8 | Consulting service |
Dimethyl sulfoxide | HPLC, 99.9% | 500ml | RMB 140.8 | Consulting service |
項(xiàng)目 優(yōu)級(jí)純
(GR)
純度purity >99.8% (GC )
外觀Appearance 無(wú)色透明液體
色度Color scale <10 APHA
水分Water <0.1 %
蒸發(fā)殘?jiān)黂esidue after evaporation <0.003 %
酸Acidity <0.04 mg KOH/g
項(xiàng)目 農(nóng)殘級(jí)
(for residue analysis)
外觀Appearance 無(wú)色液體
純度Purity >99.8% (GC)
紫外吸收UV Absorbance:
Wavelength (nm) Max. Absorbance
268 1.000
275 0.500
300 0.200
350 0.020
400 0.005
折光率Refractive Index at 20°C 1.4785 ± 0.0015
蒸發(fā)殘?jiān)黂esidue <5 mg/L
水分Water <250 ppm
(注:農(nóng)殘級(jí)適合HPLC、GC、農(nóng)殘分析、光譜分析、有機(jī)合成等多用途高純?nèi)軇?/P>
項(xiàng)目 分光純
(for spectroscopy )
純度purity >99.90 % (GC )
外觀Appearance 無(wú)色透明液體
色度Color scale <10 APHA
水分Water <0.05 %
UV at 270 nm A: <0.5
at 280 nm A: <0.3
at 290 nm A: <0.2
at 300 nm A: <0.1
at 320 nm A: <0.05
at 360 nm A: <0.01
蒸發(fā)殘?jiān)黂esidue after evaporation <0.005 %
項(xiàng)目 無(wú)水溶劑級(jí)
(water <50 ppm, extra dry )
純度purity >99.7%(GC )
外觀Appearance 無(wú)色透明液體
色度Color scale <5 APHA
水分Water <0.005 %(Coulometric)
乙酸Acidity (CH3COOH) <0.003 %
蒸發(fā)殘?jiān)黂esidue after evaporation <0.0005 %
0.2um過(guò)濾膜 Filt.over 0.2 micron PFTE
項(xiàng)目 分子生物學(xué)專(zhuān)用
( DNAse, RNAse and Protease free)
純度purity >99.80%(GC )
外觀Appearance 無(wú)色透明液體
色度Color scale <20 APHA
水分Water <0.1 % (Coulometric)
蒸發(fā)殘?jiān)黂esidue after evaporation <0.001 %
Dnase,Rnase,Protease檢測(cè) 未檢測(cè)到
項(xiàng)目 多肽合成專(zhuān)用
(for peptide synthesis)
純度purity >99.80% (GC )
外觀Appearance 無(wú)色透明液體
水分Water <0.005 %(K.F.)
酸Acidity (CH3COOH) <0.003 %
游離胺Free amine <0.0002 %
蒸發(fā)殘?jiān)黂esidue after evaporation <0.001 %
ACS級(jí)
項(xiàng)目名稱(chēng) ACS Grade
含量[(CH3)2SO]Assay ≥99.9%
蒸發(fā)殘?jiān)黂esidue after evaporation ≤0.01%
可滴定酸Titrable acid ≤0.001meq/g
水分(H2O)Water ≤0.1%
色譜純
適用于HPLC
含量 ≥99.9%(GC)
吸光度
λ:270nm Amax:0.70
λ:280nm Amax:0.30
λ:300nm Amax:0.10
λ:350nm Amax:0.01
不揮發(fā)物 ≤0.002%
水分 ≤0.2%
項(xiàng)目 醫(yī)藥級(jí)
(Medicine Grade)
含量assay(以DMSO計(jì))% ≥99.90
結(jié)晶點(diǎn)Crystalizing Point ℃ ≥18.30
酸值A(chǔ)cid Value mgKOH/g ≤0.02
折光率befractive index 20℃ 1.4775-1.4790
紫外消光值UV Absorption :
275nm ≤0.30
285nm/275nm ≤0.65
295nm/275nm ≤0.45
項(xiàng)目 電子級(jí)
(Electronic Grade)
含量assay(以DMSO計(jì))% ≥99.90 (GLC)
比重Specific Gravity(g/cc) >1.09
結(jié)晶點(diǎn)Crystalizing Point ℃ ≥18.30
酸值,MEQ/G Titratable Acid, MEQ/G ≤0.001
水分% Water,% ≤
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