全部 乐研

全部 100mg 1g 250mg 5g 10g 25g 100g 500g 500mg 50mg 1000g 1kg 25mg 10mg 5mg 2500mg 50g 1mg 2500g 250g 2.5g 5kg 5ml 5000g 2.5kg 1ea 200mg 10000g 10kg 25000g 25kg 20mg 100 mg 12000g 2g 1 g 2mg 10 mg 10*0.6ml 100 g 1kg*12 20kg 250 mg (757.5 mm * 500 μl in water) 200g 4kg 5 g 2kg 25 g 300g 80g 20g 900g 10ml 25l 500ml 5l 30g 640片/盒

全部 98% 97% 95% 96% 95+% 97+% 99% 95% mix tbc as stabilizer 90% 98+% ind 99.99% 99.9% 97% mix tbc as stabilizer 0.98 ar ar,99.0% 99.5% 98% mix tbc as stabilizer ≥99.0%,for ion-pair chromatography 98% (stabilized with tbc) 0.95 98% (stabilized with mehq) ar,99% 80% 99.99% metals basis ≥95% 92% 94% 98%,stabilized with mehq 0.97 85% 95% (stabilized with tbc) 99.999% cp 50% in water 97% (stabilized with tbc) 93% 97% (stabilized with mehq) 97%(stabilized with mehq) 98% +(stabilized with mehq) 99.5% metals basis 99.9% metals basis ar,99.5% bs 75% 95% (stabilized with mehq) 99.96% 5% 70% 96% mix tbc as stabilizer 97%,stabilized with mehq 96% (stabilized with mehq) 98%,stabilized with tbc 98.0% 98% +(stabilized with copper chip) 99.0% 99.95% 99.999% metals basis mix tbc as stabilizer ≥99.5% 0.9 1000Å 20% in water 40% in water 95% +(stabilized with mehq) 97% gc 97%(stabilized with tbc) 97%,stabilized with tbc 98%(stabilized with tbc) 99% metals basis 99+% 99.00% 99.90% 99.95-100.05%,pt 99.9999% br mw:1000 da mw:2000 da ≥99.0% 浮动催化 purity:>95wt% od:<2nm length:5-30 μm 0.99 1m in thf 25% in water 60% in water 65% in water 70% in water 80% in water 88% 89% 91% 95% +(stabilized with tbc) 95%(stabilized with mehq) 96% (stabilized with tbc) 96+% 97% +(stabilized with mehq) 97% 99%ee 97% average mw5000 97%(isomers mixture) 97.0% 97.00% 98% (stabilized with hq) 98% (stabilized with phenothiazine) 98% gc 98% hplc 98%(mixtures) 98% (mix) 98%d,98% ar,98% 98.5% 99%, 10 atom %15n 99%,≤0.2%(k.f.) 99%d 99.8% mw:5000 da purity:>98wt% thickness:0.55-3.74nm size:0.5-3μm layers:<10 ≥80% ≥85% ≥99.99% metals basis 基质:sio2,表面基团:-cooh,粒径:1-2μm,单位:10mg/ml 基质:sio2,表面基团:-epoxy,粒径:2-3μm,单位:10mg/ml 基质:sio2,表面基团:-sioh,粒径:2-3μm,单位:10mg/ml 基质:sio2,表面基团:-sioh,粒径:4-5μm,单位:10mg/ml 耐高温300℃ >90% >98wt%,thk:0.55-3.74nm sz:0.5-3μm lyr:<10 >99% (ca. 50% in diethyl phthalate) (d, 99.5%),85% in d2o (d,99.5%, basicity 40%) (dhq)2phal:5.52g/kg(contains <1%h2o) (stabilized with copper chip) -325 mesh, 99.5% metals basis 粉末, -325 目, 99.5% metals basis 0.05*100mm*100mm,99 0.1 m in poly(dimethylsiloxane) vinyl terminated 0.15*100mm*1m,99 0.1m def 0.3-0.8mmol/g 0.3~0.8mmol/g, 100~200 mesh, 1% dvb 0.94 0.956 g/ml at 25 °c, 0.5m in thf 0.96 0.999 1-2μm,99% metals basis,powder 1.3-1.7% in water 1.3-1.81% in water 10 wt. %;(wetted with ca. 50% water) 10% pd(55%aq.) 10% propylene glycol solution 10%(55-60% water) 10% 100 mesh,99.9% 100% 100-200 mesh,1% dvb,0.3-0.8mmol/g 1000a 100nm 纳米颗粒,98.0% 10wt% in hexanes 1250 mesh 13.5~15.5%((以zn计)) 14% in water 1400-1600万 1400-1600w 1799 1800万 1800w 2.0mol/l in water 20 wt. % in ethanol 20 wt.% in h20 20% in ethanol solution 20% in tetrahydrofuran 20% on carbon (wetted with ca. 55% water) 20% on carbon (wetted with ca. 50% water) 20% 20-40 mesh 20-40目(原色) 200 mesh,99.9% 200-300mesh 99%,200-300 mesh 2000a 200目 200 mesh,ar 200 mesh 20μm, 99.6% 22μm 25% in methanol 25% in h2o 30% in h2o 30%水溶液 30% in water 35% in h2o 30-35% in water 30-40% solution in toluene 300 mesh,99.9% 325目 活化粉 325 mesh 35-39% 350目 38%溶剂油溶液 (6% fe) 3a,φ2-3mm φ2-3mm 球形(φ2-3mm) 3a,φ3-5mm 3mm-5mm,球形 4.5%(activeoxygen) 40 wt. % in h2o 40% in 2-ethylhexanoic acid (8-12% sr) 40% in h2o 40% in methanol 40% w/w in water 40% 40-50% in water 40-60μm 44 wt. % in h2o 45 wt. % in water 45% in water 45% 46% in water 48-50% in thf 48-50% ni basis,150μm 48-50% ni basis,20-40mesh 48-50% ni basis,50μm 5% rh,(30% water) 5(or 6)-isomers labelling efficiency ≥ 70% 50 wt. % in h2o 50% aqueous solution 50% ethyl acetate solution 50% in 2-ethylhexanoic acid 50% in chlorocyclohexane 50% in h2o 50% in methanol 50%水溶液 50% 50-55% in 1,2-dichloroethane 50-60% (as humic acid) 50.00% 500a 53% 55%, soluble in isobutanol 5a,φ3-5mm 60 wt. % in h2o 60% solution in water 60% 60-70% 60nm 纳米颗粒,98.0% 64-66% in water 65 wt. % in water 65% 65%,in water 65%水溶液 65+% in water 65-70% p2o5 basis 65-75% in h2o 65-75% in water 66% 7.2-8.2 wt.% p2o5 70%(stabilized with tbc) 70+% 71% 74% 74-76% in water 75 wt. % in h2o, containing 600 ppm mehq 75 wt. % in h2o,stabilized with mehq 75 wt. % in h2o 75 wt. % in isopropanol 75% (stabilized with bht) 75% in water 75%水溶液 77% 80 mesh 80% in thf 80% mixture of isomers 80%(isomers mixture) 80% w/w in water 80%(stabilized with mehq) 80%,stab.withcalciumcarbonate 80%(stabilized with caco3) active content >96% 80-90% c18 80-90% 80目 81% 82% 83%pt 83% 84% 85% (stabilized with tbc) 85%(isomers mixture) 85%(stabilized with mehq) 85%,stabilized with mehq 95%,stabilized with mehq 85%, technical grade 85%,c15-c18 mixture 95%,c15-c18 mixture 85.0~90.0% wo3≥88.5% 86% 90% (500 ppm bht as stabilizer) 92% (500 ppm bht as stabilizer) 90% (stabilized with bht) 90% in water 90%(contains acetic acid) 90%(mixtures) 90%(stabilized with mehq) 90%,technical grade 90%,工业品 90%,0.04%(p-tert-butylphenol) 90.0% 95% (gc) 900-1200m2/g 91%(0.315mm-1.25mm) 92% (stabilized with hq) 93% (total of isomer) 94% gc 95% (0.01%potassiumhydroxideasstabilizer) 95% (contains <15%h2o) 95% (contains =<11%h2o) 95% (isomers mixture) 95% (mix) 95% (stabilized with bht) 95% (stabilized with copper chip) 95% (stabilized with cu) 95% (stabilized with hq) 95% (stabilized with na2co3) 98% stab. with 0.05% 4-tert-butyl catechol 95% (stabilized withhq+caco3) 95% +(0.01% potassium hydroxide as stabilizer) 95% +(contains <2.5%h2o) 95% +(contains <5%h2o) 95% +(gc)(isomers mixture) 95% +(stabilized with copper chip) 95% contains h2o as stabilizer 95% contains ~500 ppm phenothiazine as stabilizer 95% gc 95%(stabilized with tbc) 95% mixture of isomers 95% stabilized 0.1 % hq 95% stabilized 100 ppm mehq 95%(gc) 95%(isomers mixture) 97%,mixture of isomers 95%(mixtures) 95%,mixtures 95%(p2o5:63%±2%,al2o3:17%±1%) 95%(stabilized mehq) 95%(stabilized with 0.5%caco3) 98%,stabilized with 0.5%caco3 98%(stabilized with 0.5%caco3) 95%(stabilized with bht) 98%(stabilized with bht) 95%(stabilized with copper) 97%(stabilized with copper) 95%(stabilized with diisopropylethylamine) 95%(stabilized with hq) 96%(stabilized with hq) 95%(stabilized with k2co3) 96%(stabilized with k2co3) 95%(stabilized with phenothiazine) 98%,contains stabilizers,p-tert-butylcatechol 95%(stabilizedwithtbc) 95%, spice, mixed 95%,99%ee 95%,contains 15% tetrahydrogen compound 95%,contains 20% tetrahydrogen compound 95%,ee89.86% 95%,for synthesis 95%,stabilized with 0.1%potassium carbonate 95%,stabilized with bht 95%mixture with dkss 0.2m in methanol 97% predominantly trans 98%,含0.1% 对苯二酚稳定剂 97% (stabilized with hq) 95.0% 96% (isomers mixture) 96% gc 96%(stabilized with tbc) 96%(contain stabilizers) 97%(contain stabilizers) 96%(stabilized with mehq) 96%,stabilized with mehq 96%,80%ee 96%,contain 2mol isopropyl alcohol 96%,mixture of isomers 96%(isomers mixture) 96%,stabilized with tbc 97% (containing sodium salt ) ≥80% (containing sodium salt ) 97% (contains <10%ammonium salt) 97% (contains <17%h2o) 98% (contains <17%h2o) 97% (contains palmityldiethanolamine) 97% (gc) 97% (isomers mixture) 97% (mixture of isomers) 90% (stabilized with mehq) 97% +total of isomer 97% total of isomer 97% average mw1000 97% average mw2000 97% contains ca. 15-18% water 98% contains ca. 15-18% water 97% hplc 97% mixture of cis/trans 97% mixture of isomers 97% mixture 97% t 97%(gc) 97%(mixture of isomers) 97%(mixture of regioisomers) 97%(mixtures) 97% mix 97%(stabilized with 200-500 ppm copper wire) 97%(stabilized with bht) 98%,stabilized with bht 97%(stabilized with cu) 97%(stabilized with hq) 97%,stabilized with hq 97%(stabilized with k2co3) 97%,含2.5%的碳酸钾稳定剂 97%,stabilized with 2.5% k2co3 97%(stabilized with na2co3) 95% mix na2co3 as stabilizer 97%(stabilized with phenothiazine) 97%,(viscosity:5000-15000 mpa.s) 97%,39%rh 97%,94%ee 97%,contain 10% alcohol 97%,contains <10%dcm) 97%,for fluorescence analysis 97%,mix tbc as stabilizer 97%,mw 2000 97%,stabilized with 0.025% 4-hydroxytempo 97%,stabilized with bht 97%,添加了阻聚剂2,6-二叔丁基对甲酚 97%,stabilized with na2o3s2 97%mix 97% (gc)(isomers mixture) 97% (with 5-10% cinchonidine) 98%(mixture) cu,1-3% mn ≥71.0%,粒径3-5um ≥97.0% 97.5% 98% (contains <10%h2o) 98% (contains <35%h2o) 98% (contains <5%h2o) 98% (elsd) 98% (hplc)(contains <10%ammonium sulfate salt) 98% (max.6%h2o) 98% (mixture of cis and trans) 98% (mixture of isomers) 98% (mixture, contains ~6% β-olefin) 98% (stabilized with 1~2% acetylacetone) 98% (stabilized with bht) 98%,stb.with 0.01%bht 98% (stabilized with copper chip) 98% (stabilized with cu) 98%,stabilized with hq 98% +(stabilized with tbc) 98%,含0.1% tbc稳定剂 98% +(isomers mixture)(c12:c14=2.5-3:1) 98% +(stabilized with 4-7%h2o) 98% +(stabilized with hq) 98% 98%atom%d 98% 98atom%d 98% ar 98% carbon 64.8-69.5 % 98% contains ~ca.11% dioxane 95% contains ~ca.11% dioxane 98% gc,t 98% mix 1-2% caco3 as stabilizer 95%(stabilized with caco3) 98% mixture of isomers 98% stab. with potassium carbonate 98% stabilized with 0.07%tbc 98% stabilized with phenothiazine 98%(stabilized with phenothiazine) 98% stabilized with tbc 98% t 98%(1-mg+2-mg) 98%(15% water) 98%(gc) 98%(isomer mixture) 98%(isomers mixture) 98% +(isomers mixture) 98%(mix) 98%(mixture of isomers) 99% (mix) 98%,mixtures 98%(ru47%) 98%(stabilized with 50ppmtbc) 98% (gc)(stabilized with bht) 96%(stabilized with bht) 98%(stabilized with caco3) 98%,stabilized with caco3 98%(stabilized with hq) 98%(stabilized with k2co3) 98%,stab. with 0.1% potassium carbonate 98%(stabilized with mehq) 98%,contains stabilizers,,p-hydroxyanisole 98%(stabilized with na2co3) 98% stabilized with na2co3 98%(stabilized with naco3) 98%,stab.with sodium carbonate 98%,stabilized with phenothiazine 98%(含15wt.% water稳定剂) 98%, stab. with 15wt.% water 98%, contains 0.25% 4-tert-butylcatechol as inhibitor 98%, stabilized with tbc 98%,(viscosity:1200-1400 mpa.s) 98%,(viscosity:800-1200 mpa.s) 97%,(viscosity:800-1200 mpa.s) 98%,16-17%h2o 98%,99%ee 98%,contain the inhibitor 98%,contains stabilizers 98%,ee90% 98%,industrial grade mixtures 98%,koh ≤100ppm 98%,mixture of isomers 98%,na2o≥18% ,sio2≥60% 98%,stabilized with 0.01%mehq 98%,stabilized with 0.1%mehq 98%,stabilized with 200ppm ammonium hydroxide or naoh 98%,stb. with hq 98%,stb.with 0.1%bht 98%,~15%h2o 97%,~15%h2o 98%,~1u/mg 95% (mixture of isomers) 98% (stabilized with 1000ppm mehq) 99%, food grade (animal source) 99%,sublimation of pure amberlite ir-120(h) ar,96% average mw5000 mixture of isomers, 40 wt. % in h2o wo3≥85% ≥97% ≥98.5% 98.5% 13c,98% 98atom % d 99 atom % d 99% (metals basis) 99% (stabilized with mehq) 99% +(mix) 99% metals basis 300-500nm 99% metals basis,1-4μm 99% metals basis,30nm 99% metals basis,400 mesh 99% mix tbc as stabilizer 99% suitable for ion pair chromatography 99% with 2h2o 99%(isomers mixture) 99%, 99 atom %15n 99%, neutral 200-300 mesh 99%, ≥36.0% zro2 basis 99%,1μm 99%,2-10μm 99%,2-4μm 99%,2μm 99%,mixture of isomers 99%,monohydrate 99%,~100mesh 99%,≤5μm 99%,中性 100-200目 99%,酸性, 200-300目 free acetic acid (on dry basis), 39.0-41.0%,sodium acetate (on dry basis), 58.0-60.0% ≥99.9% metals basis 99.0-100.1%,pt 99.2% 99.5% metals basis, <50 nm 99.5% metals basis,150-250nm 99.5% metals basis,15nm 99.5% metals basis,2.0μm 99.5%,100nm 99.5%,500mesh 99.5%,pt 99.50% 99.8%,比表面积(bet):380m2/g;粒径:7-40nm 99.8%,bet:380m2/g;particle size:7-40nm 99.8%d, 0.03% (v/v) tms 99.9% (metals basis) 99.9% metals basis, 2 μm 99.9% metals basis,100-200 mesh 99.9% metals basis,100nm 99.9% metals basis,10μm 99.9% metals basis,粒径:0.5-1μm 99.9% metals basis,粒径:1μm 99.9% metals basis,黄色 99.9% metalsbasis 99.9% trace metals basis 99.9%(reo) 99.9%,12~16um 99.9%,60-100nm 60-100nm 99.9%,battery level 99.9%99.9% metals basis,≥200mesh,powder 99.8% metals basis la2o3/treo:99.95% 99.95% metals basis, 20nm-50nm 99.95% metals basis, 50 nm 99.95% metals basis,100 nm 99.95% metals basis 99.95%(trace metal basis) 99.95-100.95%,pt 99.98-100.02% pt 99.98-100.02%, pt (reference reagent) 99.99% (metals basis) 99.99% (metals basis, 2-10μm) 99.99% metals basis, <5 μm 99.99% metals basis,1-3mm 99.99% metals basis,10μm 99.99% metals basis,2μm 99.99% metals basis,5μm 99.99% metals basis,powder 99.99% metals basis,粒径:8μm 99.99% trace metals basis 99.99%(reo) 99.99%, 300 mesh 99.995% trace metals basis, powder 99.997% 99.999% metalsbasis 99.999% trace metals basis,powder 99.999+% 99.9999+% <100nm,99% <50 mesh >85% about 0.5mol/l aqueous solution, reagent for ion pair chromatography, ≥99.0% active material 40% al2o3≥29% alcoholysis degree:94% 醇解度:94% anhydrous ar 99% ar 99.0% ar, 98.5% ar, 99% ar, 99.0% ar, ≥ 99.5% ar, ≥99.0% ar,80% ar,85.0% ar,92% ar,95% ar,97.0% ar,97.5% ar,98.5% ar,99% metals basis premium,99% ar,99.0 % ar,99.8% ar,granulated,m70 ar,≥58% zn basis ar,≥99% ar,≥99.5% ar,粉末 au,79% au: 48% au≥50% average mn 200 average mn ~2,500 average mw 400w-500w average mw 400万-500万 average mw 500w-700w, 80 mesh bi,49-54% biological stain bioreagent bs,dye content≥85% c18:30%, c16:70% ca. 30% in water ca:6.6-7.4% co ≥31.5% co: 46% contain 800-1200ppm mehq as inhibitor contains 45% water contains stabilizer, 45-47wt% cosmetics grade 化妆品级 ni%≥18% 试剂级 cu 14.5%-15.5% cu:9.5%-10.9%,200mesh d,99% d,99.5%(30% in d2o) d:99.9%;99.8% dextrose equivalent 16.5-19.5 diameter (average od):3.1 mm dye content 75 dye content 80% dye content 85 % dye content 90 % dye content ~85 % electronic grade, 99.9999% metals basis electrophoresis reagent epoxide number(eq/100g)0.74-0.79 epoxy value 0.7 epoxy value 0.64-0.68 epoxy value eq/100g:0.70 epoxy value(0.32-0.37);viscosity(4-10cps) fe content: 24.0~26.0% fe>30.5% fe:6.1-6.2% fmp(microscopic) food grade for biochemistry for cell culture, 99% for cell culture, ≥ 99% for gc derivatization, ≥99.0% (gc) for molecular biology,98% gel strength ~160 (bloom) gr, 99% gr,99.99% heat resistant injection stage hydrogen form,50-100 mesh hydroxyl value 40-60 mgkoh/g hydroxyl value:82-92mgkoh/g hydroxyl value:98 ind,70% ind,80% ind,98% ir 35% in hcl ir>52% ir120(钠型) m.w~450,000 maltose≥50% mgo>40% mixture of isomers mn=45000-50000 molecular biology grade,≥99.0% (kt) mp.100-140°c mv 2000-5000 mw 10,000-100,000 mw 11000 mw 20000 mw 315 mw 4000 mw 40k mw(viscosity-average):300000 mw.1000 mw.400 mw2500-2700 mw4300 mw:10000 da mw:1000 mw:1500 mw:20000 da mw:3400 da mw:4000 da mw:4000 n=400 nb16.15% ni≥10% ni≥45% oil content ≥70% os 38.5% os 38.7%最低 os≥45.0% p2o5=68.8% pbo:33-40% pd 5%,poisoned with lead pd≥59.5% peg20000 pharmaceutical grade,mw40000 pharmaceutical grade,mw64000-76000 pt 15% w/w. pt 52% pt≥42% purity:>60wt% -cooh content: 2.58wt% id:1-3nm od: 2-4nm length: ~50μm ssa: >350m2/g purity:>60wt% -oh content: 2.92wt% id:1-3nm od: 2-4nm length: ~50μm ssa: >350m2/g purity:>60wt% id:1-3nm od: 2-4nm length: ~50μm ssa: >340m2/g purity:>95wt% id:3-5nm od: 8-15nm length: ~50μm ssa: >140m2/g purity:>98wt% -oh content:1.06wt% id:5-12nm od: 30-50nm length: <10μm ssa:>100 m2/g purity:>98wt% id: 5-10nm od: 20-30nm length: 0.5-2μm ssa: >120m2/g purity:>98wt% id: 5-12nm od: 30-50nm length: 0.5-2μm ssa:>100m2/g purity:>98wt% thickness:1-3nm size:>50μm layers:< 3 ssa:100-200m2 /g purity:>98wt% thickness:1-3nm size:2-10μm layers:< 3 ssa:100-300m2 /g purity:>99.5wt% thickness:4-20nm size:5-10μm layers: <20 density: 0.6g/cm3 ph value:ph=7.00-7.65(30℃) purity:>99wt% id:2-5 nm od: 5-15nm length: 10-30μm ssa:220-300 m2/g reagent grade rh 17.1% rh=38.1% sio2 57~63% sn>42% sn≥46% solid content ≥99% strength ≥290% tech.ca 75% in water technical grade tech thickness: 50-150nm total nitrogen 2.9 to 3.3 % total phosphate≥68%(as p2o5) treo≥44%, yb2o3/treo≥99.99% uio-66-bdc-nh2, bdc-nh2:zr=0.9 vinyl acetate 40 wt.%,melt index52 g/10 min(190°c/2.16kg) vinyl acetate 40 wt.%,melt index52 g/10 min(190°c/ viscosity 17-40 mpa.s (20 °c) viscosity 300-800mpa.s,80 mesh viscosity:1000-1400 mpa.s viscosity:45-75mpa.s,25℃;epoxy value:0.6-0.64eq/100g white granular,viscosity:0.8-0.83mpa·s white wo3 85.84% wo3 85% zn 14.5-15.5% zn ~18% zn=28-30wt% zno 12.5-14% zno 10.3~11.3% zro2≥20% ~5% water,95% β-phase,99.9%,1-3μm γ-pga>95%,mw>700000 ≤45um,99.0% metals basis ≥15000mpa.s ≥45% cuo basis ≥50% ≥57% zno basis ≥80%(isomers mixture) ≥85.0%, permeability 2.5~3.5 ≥85.0% ≥90% ≥900iu/mg ≥93%(t) ≥99 atom % 15n, ≥99% ≥99%,for cell and insect cell culture ≥99%,hplc ≥99% ≥99.0%,for molecular biology ≥99.0%,hplc pt 34.0% ≥99.5%,for cell and insect cell culture ≥99.5%,for molecular biology ≥99.9% 分子生物学级,≥98.5% 助滤剂,融剂烧成品,中位粒径:13μm 助滤剂,融剂烧成品,中位粒径:3.5μm 助滤剂,融剂烧成品,中位粒径:7μm 厚度:10 nm-1um 厚度:50nm-1um 基质:sio2,表面基团:-cooh,粒径:0.1-1μm,单位:5mg/ml 基质:sio2,表面基团:-cooh,粒径:2-3μm,单位:10mg/ml 基质:sio2,表面基团:-cooh,粒径:3-4μm,单位:10mg/ml 基质:sio2,表面基团:-cooh,粒径:4-5μm,单位:10mg/ml 基质:sio2,表面基团:-epoxy,粒径:0.1-1μm,单位:5mg/ml 基质:sio2,表面基团:-epoxy,粒径:1-2μm,单位:10mg/ml 基质:sio2,表面基团:-epoxy,粒径:3-4μm,单位:10mg/ml 基质:sio2,表面基团:-epoxy,粒径:4-5μm,单位:10mg/ml 基质:sio2,表面基团:-nh2,粒径:0.1-1μm,单位:5mg/ml 基质:sio2,表面基团:-nh2,粒径:1-2μm,单位:10mg/ml 基质:sio2,表面基团:-nh2,粒径:2-3μm,单位:10mg/ml 基质:sio2,表面基团:-nh2,粒径:3-4μm,单位:10mg/ml 基质:sio2,表面基团:-nh2,粒径:4-5μm,单位:10mg/ml 基质:sio2,表面基团:-sioh,粒径:0.1-1μm,单位:5mg/1ml 基质:sio2,表面基团:-sioh,粒径:1-2μm,单位:10mg/ml 基质:sio2,表面基团:-sioh,粒径:3-4μm,单位:10mg/ml 活性氧≥4.50%,(khs05)≥42.80% reactive oxygen≥4.50%,(khs05)≥42.80% 浮动催化 purity:>95wt% od:<2nm length:1-3 μm 浮动催化 purity:>95wt% od:<2nm length:5-30 μm ssa:>640 m2/g 用于分子生物学,≥99%(gc) 疏水气相纳米二氧化硅hydrophobic-260型,99.8% metals basis,粒径:7-40nm ,比表面积(bet):260m2/g 病理级,熔点52~54℃ 病理级,熔点56~58℃ 病理级,熔点58~60℃ 病理级,熔点60~62℃ 病理级,熔点62~64℃ 粉末, 80 mesh 粒度3-5 4a,3-5mm 粒径:50nm 粘度:1000mpa.s(可耐高温250℃) 1000mpa.s 粘度:500mpa.s(可耐高温200℃) 粘度:50mpa.s(可耐高温220℃) 50mpa.s 纯度:≥80wt% 状态:黑色粉末 纯度:≥90wt% 状态:黑色粉末 纳米线,4-5 μm 羧甲基纤维素钠 醇解度:98% 雪花白,20-40目 98%,20-40 mesh