全部 乐研

全部 100mg 1g 250mg 5g 10g 25g 100g 500g 500mg 50mg 1000g 25mg 10mg 5mg 5000g 50g 2500g 1mg 250g 25000g 10000g 200mg 12000g 20mg 2g 30mg 2500mg 200g 20000g 1kg 2mg 20g 5kg 40mg

全部 98% 97% 95% 96% 99% 95+% 90% ind 98+% 98% (stabilized with mehq) 80% ar 99.9% 85% ar,99.0% 98% (stabilized with tbc) 99.5% 94% 97% (stabilized with mehq) ≥95% 99.99% 95% (stabilized with mehq) ar,99% ≥99.0%,for ion-pair chromatography 95% (stabilized with tbc) 97% (stabilized with tbc) 97%(stabilized with mehq) 92% 99.99% metals basis cp 50% in water 93% 96% (stabilized with mehq) 99.999% bs 95%(stabilized with tbc) 99.9% metals basis 98%d,98% 98.0% 99.0% 97%(stabilized with tbc) mw 2000 mw:20000 60% in water 70% 89% 96% (stabilized with tbc) 98%(mixtures) ar,99.5% mw:10000 95.0% 99.5% metals basis 5% 75% 95%(stabilized with mehq) 98%(stabilized with mehq) 98%(stabilized with tbc) 99%,for hplc br ≥99.0% 1000a 40% in water 60% 96%(stabilized with mehq) 97% 99%ee 97%(isomers mixture) 97%(mixtures) 98% (stabilized with bht) 98% (stabilized with cu) 98%(isomers mixture) 99% metals basis ≥99.5% ≥99.99% metals basis,powder 20% in water 25% in water 65% in water 88% 95%(stabilized with bht) 96%(stabilized with tbc) 97% gc 97% mixture 98% 98%atom%d 98% gc 98%(stabilized with bht) 99%d 99+% 99.00% 99.95% 99.95-100.05%,pt 99.999% metals basis floating catalystpurity:>95wt% ind,80% mw:2000 da mw:2000 ≥80% ≥99% ≥99.99% metals basis >99% 30% in h2o 30% in water 40% 50% 70% in water 74% 80% in water 84% 90% (stabilized with mehq) 91% 95% (stabilized with cu) 95% gc 95% mix tbc as stabilizer 95%(isomers mixture) 95%(stabilized with k2co3) 95%mix 96%(isomers mixture) 96%(stabilized with cu) 96%(stabilized with hq) 97% (stabilized with hq) 97% average mw5000 97% hplc 97%(stabilized with hq) 98% (stabilized with copper chip) 98% (stabilized with hq) 98% 99%ee 98% mix tbc as stabilizer 98%(mixture of isomers) 98%(stabilized with hq) 98%(stabilized with phenothiazine) 98%,20-40 mesh 98.5% 99%, 10 atom %15n 99%, 99 atom %15n 99%,≤0.2%(k.f.) 99.8% 99.999%(metalsbasis) 99.9999% ar,92% ar,95% chlorine-based ind,70% mw 20000 mw:1000 mw:5000 da purity:>98wt% thickness:0.55-3.74nm size:0.5-3μm layers:<10 ≥70% ≥85% ≥90% ≥96% ≥99%,hplc >70 wt% >98wt%,thk:0.55-3.74nm sz:0.5-3μm lyr:<10 >99 wt% >99.90% >99wt% od: 5-15nm length: 10-30μm ssa:220-300 m2/g (45 wt. % in water) (d, 99.5%),85% in d2o (d,99.5%, basicity 40%) (dhq)2phal:5.52g/kg(contains <1%h2o) 0.1 m in poly(dimethylsiloxane) vinyl terminated 0.1m def 0.2m in methanol 0.3-0.8mmol/g 0.3~0.8mmol/g, 100~200 mesh, 1% dvb 0.5m in h2o 0.6-0.8 mmol/g 0.70~0.80mol/100g,5~25mpa.s 0.98 1-2μm,99% metals basis,powder 1.3-1.81% in water 10 wt. %;(wetted with ca. 50% water) 10% in triethyl citrate 10% propylene glycol solution 10%(55-60% water) 10% 100 mesh,99.9% 100-200 mesh, 1% dvb,0.5-2.5mmol/g 100-200 mesh,1% dvb,0.3-0.8mmol/g 100-200 mesh,1% dvb,0.3-2.0mmol/g 100-200 mesh,1% dvb,0.4-3.0mmol/g 1000-1200w 1000mpa.s 100800mpa.s 100~500cps 102mm 10wt% in hexanes 12.5-13.5% fe 1250 mesh 13.5~15.5% zn 13x,φ3-5mm 14% in water 1400-1600w 1788型 1800w 1m in thf 2.0mol/l in water 20 wt. % in h2o 20 wt.% in h20 20% in ethanol solution 20% in water, 600-900cp 20% on carbon (wetted with ca. 55% water) 20% 20-40 mesh 20-60 mesh 200 mesh,ar 200 mesh 2000a 22μm 25% in h2o 25% 3-5mm 30%-38% 30% 300 mesh,99.9% 325 mesh 35-125mesh 35-39% 350 mesh 350cs fp 300℃ 38% solvent oil solution (6% fe) 3a,φ2-3mm 3a,φ3-5mm 4.5%(activeoxygen) 40% in methanol 40-50% in water 40-60μm 40wt. % in h2o 44 wt. % in h2o 45 wt. % in water 45% in water 46% in water 48-50% in thf 48-50% ni basis,150μm 48-50% ni basis,20-40mesh 48-50% ni basis,50μm 4a,3-5mm 5% rh,(30% water) 5-12cst 50 wt. % in h2o 50% aqueous solution 50% ethyl acetate solution 50% in 2-ethylhexanoic acid 50% in h2o 50-55% in 1,2-dichloroethane 50-60% (as humic acid) 500a 500mpa.s 50cst 50mpa.s 53% 55% in water 55%, soluble in isobutanol 5a,φ3-5mm 60% solution in water 60-70% 65% 65-70% p2o5 basis 65-75% in water 7.2-8.2 wt.% p2o5 70% (dye content) 70%(stabilized with tbc) 70+% 717阴离子型 74-76% in water 75 wt. % in h2o, containing 600 ppm mehq 75 wt. % in isopropanol 75% (stabilized with bht) 75% (stabilized with mgo) 75% 50% in water 75% in water 75%(contains 25% water at maximum) 80 mesh 80% (nmr,qnmr) 80% in thf 80%(isomers mixture) 80%(stabilized with caco3) 80%(stabilized with mehq) 80%(stabilized with na2co3) 80-85% 80-90% 81 u/mg 81% 83%pt 85% (stabilized with tbc) 85%(stabilized with mehq) 85%,c15-c18 mixture 9-11% 90% (gc, stabilized with mehq) 90% (stabilized with bht) 90% +(loss on drying≤12%)(residue on ignition20-30%)(mw3000-50000) 90%(contains acetic acid) 90%(mixtures) 90%(stabilized with mehq) 90%,0.04%(p-tert-butylphenol) 90%,technical grade 91%(0.315mm-1.25mm) 92% (mixture of monomer and dimer) 92% (stabilized with hq) 93% (total of isomer) 94% gc 95% (contains <15%h2o) 95% (contains 1-(3,6-dimethylpyrazin-2-yl)ethanone) 95% (contains =<11%h2o) 95% (contains~12.0%water) 95% (contains~7%water) 95% (drying loss 10%max) 95% (isomer mixture) 95% (isomers mixture)(stabilized with mehq) 95% (isomers mixture) 95% (mixture of isomers) 95% (stabilized with 0.05%tbbpa) 95% (stabilized with citric acid) 95% (stabilized with mgo) 95% (stabilized with na2co3) 95% (xhydrate) 95% average mw 2000 95% contains h2o as stabilizer 95% contains ~500 ppm phenothiazine as stabilizer 95% contains ~ca.11% dioxane 95% hplc 95% mix 95% mw 20000 95% rel-(1r-4e-ps)-axial 95% stabilized 100 ppm mehq 95%(gc) 95%(mix) 95%(mixture of cis and trans ) 95%(mixtures) 95%(p2o5:63%±2%,al2o3:17%±1%) 95%(stabilized with 0.5%caco3) 95%(stabilized with caco3) 95%(stabilized with copper) 95%(stabilized with hq) 95%(total esters) 95%(with 5% 3-tert-butyltoluene) 95%+(stabilized with tbc) 95%, spice, mixed 95%,3-5mm 95%,99%ee 95%,contains 15% tetrahydrogen compound 95%,contains 20% tetrahydrogen compound 95%,contains dcm 95%,ee89.86% 95%,for synthesis 95%,mw:5000 95%,stabilized with bht 95%mixture with dkss 96% (isomers mixture) 96% (stabilized with cu) 96% gc 96% mixture of cis and trans isomers 96%(1-mg+2-mg) 96%(stabilized with 0.03%hq) 96%(stabilized with bht) 96%(stabilized with na2co3) 96%,80%ee 96%,contain 2mol isopropyl alcohol 96~102% 97 atom % d 97% (containing sodium salt ) 97% (contains <17%h2o) 97% (contains palmityldiethanolamine) 97% (gc)(isomers mixture) 97% (isomers mixture) 97% (mix of 5,6 amine) 97% (stabilized with citric acid) 97% (stabilized with copper chip) 97% (with 5-10% cinchonidine) 97% +(stabilized with mehq) 97% 98atom%d 97% average mw10000 97% average mw1000 97% contains ca. 15-18% water 97% predominantly trans 97% total of isomer 97%(contains ≤7%h2o) 97%(gc) 97%(mixture of isomers) 97%(mixture of regioisomers) 97%(mixture of tetramer) 97%(stabilized with 200-500 ppm copper wire) 97%(stabilized with bht) 97%(stabilized with cu) 97%(stabilized with k2co3) 97%(stabilized with na2co3) 97%(stabilized with naco3) 97%(stabilized with phenothiazine) 97%,(viscosity:5000-15000 mpa.s) 97%,(viscosity:800-1200 mpa.s) 97%,2h2o 97%,39%rh 97%,94%ee 97%,a mixture of c18 and c16 fatty acid amides 97%,contain 10% alcohol 97%,contains <10%dcm) 97%,mw 2000 97%,mw≥30000 97%,stabilized with 0.025% 4-hydroxytempo 97%,stabilized with na2o3s2 97%,~15%h2o 97%mix 97.0% 97.5% 97mix 98% (>80%ee) 98% (contains <35%h2o) 98% (contains <5%h2o) 98% (contains 10-15%acoh) 98% (contains 20-32%h2o) 98% (max.6%h2o) 98% (mix) 98% (mixture of isomers) 98% (stabilized with 1000ppm mehq) 98% (stabilized with 1~2% acetylacetone) 98% (stabilizer with 0.1% alpha-tocopherol) 98% +(97%ee) 98% +(contains <7%h2o) 98% +(isomers mixture) 98% +(stabilized with 4-7%h2o) 98% 98atom% d 98% 98atom%d 98% 99%atom%15n 98% ar 98% carbon 64.8-69.5 % 98% contains 400 ppm phenothiazine as inhibitor 98% gc,t 98% hplc 98% mixtures of fatty sulfonate 98% mix 98%(15% water) 98%(isomer mixture) 98%(mixture) 98%(particle size: 1 µm) 98%(ru47%) 98%(stabilized with 100ppm tbc) 98%(stabilized with 50ppmtbc) 98%(stabilized with caco3) 98%(stabilized with k2co3) 98%(trans:cis=8:2) 98%(xhydrate) 98%, contains 0.25% 4-tert-butylcatechol as inhibitor 98%, stab. with 15wt.% water 98%,(viscosity:1200-1400 mpa.s) 98%,16-17%h2o 98%,200mesh 98%,99 atom % d 98%,99%ee 98%,contain the inhibitor 98%,contains 20% tetrahydrogen compound 98%,contains stabilizers 98%,ee90% 98%,eigenstate 98%,industrial grade mixtures 98%,stabilized with 200ppm ammonium hydroxide or naoh 98%,viscosity 1400-1600cp 98%,~11%water 98%,≥1u/mg 98%c13,98% 98%d 98.00% 98.5% 13c,98% 98.5%, type i first-class product 98atom % d 99 atom % d 99% (metals basis) 99% 13c 99% gc 99% metals basis 300-500nm 99% metals basis,1-4μm 99% metals basis,30nm 99% metals basis,400 mesh 99% with 2h2o 99%(isomers mixture) 99%, 3-5 mm 99%, alkaline 100-200mesh 99%, grade ii, premium quality 99%, neutral 200-300 mesh 99%, ≥36.0% zro2 basis 99%,-300mesh 99%,0.5~0.7um 99%,1μm 99%,2-10μm 99%,2-4μm 99%,200-300 mesh 99%,200mesh 99%,2μm 99%,50nm 99%,acidic, 200-300 mesh 99%,average mw:2000 99%,mixture of isomers 99%,monohydrate 99%,neutral,100-200 mesh 99%,~100mesh 99%,≤5μm 99%,片径0.5~5μm 厚度~0.8nm 99%d,99% 99.0-100.1%,pt 99.2% 99.3%-t 99.5% metals basis, <50 nm 99.5% metals basis,15nm 99.5% metals basis,2.0μm 99.5% trace metals basis 99.5%,100nm 99.5%,500mesh 99.5%,pt 99.5%d 99.5-100.02%?pt 99.8%,bet:380m2/g;particle size:7-40nm 99.8%d, 40 wt. %in d2o 99.9% (metals basis excluding co), co 0.1-1% 99.9% metals basis, ≤10 μm 99.9% metals basis,0.5-1μm 99.9% metals basis,100-200 mesh 99.9% metals basis,100nm 99.9% metals basis,10μm 99.9% metals basis,1μm 99.9% metalsbasis 99.9% trace metals basis 99.9%,12~16um 99.9%,60-100nm 99.9%,battery level 99.9%,high-quality crystals 99.9%99.9% metals basis,≥200mesh,powder 99.90% 99.95%(trace metal basis) 99.95-100.95%,pt 99.98-100.02%, pt (reference reagent) 99.99% (metals basis) 99.99% (metals basis, 2-10μm) 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,8μm 99.99% metals basis,powder 99.99% trace metals basis,-10 mesh 99.99% ~60m 99.99%, 300 mesh 99.995% trace metals basis, powder 99.997% 99.999% metals basis, 200 mesh 99.999% metalsbasis 99.999% trace metals basis,powder 99.999+% 99.9999+% <100nm,99% <50 mesh >85% acidevalue(mg koh/g):<1,hydroxylvalue(mg koh/g):53~58,water(%):<0.05 active material 40% al2o3≥29% alcoholysis :98% alcoholysis degree:94% amberlite ir-120(h) amberlite® imac hp1110 resin ar 99% ar 99.8% ar, 98.5% ar, 99% ar, ≥ 99.5% ar, ≥99.0% ar,80% ar,85.0% ar,96% ar,97.0% ar,98% ar,98.5% ar,99.0 % ar,99.8% ar,99.9% ar,fe 21-23 % ar,granulated,m70 ar,mo≥60 % ar,≥58% zn basis ar,≥99% ar,≥99.5% atomic level au,79% au: 48% au≥50% available iodine 9-12% average mn 200 average mn 300 average mn 500(stabilized with mehq) average mn ~2,500 average mn ~400 average mn ~620 average mn500 average mol wt 20000 average mol wt 40000 average mol wt 500000 average mv ~7,000,000,powder average mw 10000-50000 average mw 150000 average mw 50000 average mw 700000-800000 average mw 85000 average mw ~1800 average mw10000 average mw5000 bi,49-54% bioreagent br+substitution degree 90%+ bs,dye content≥85% bs,in alcoho c18:30%, c16:70% ca. 30% in water ca:6.6-7.4% co ≥31.5% co: 46% contain 800-1200ppm mehq as inhibitor cosmetics grade cst 200±50 cu 14.5%-15.5% cu,1-3% cu:9.5%-10.9%,200mesh d,99% d,99.5%(30% in d2o) d99.5% d:99.9%;99.8% decolorization rate 97% degree of deacetylation 87.7% dextrose equivalent 16.5-19.5 dye content 30 % dye content 75% dye content 80% dye content 85 % dye content ~85 % dye-content ≥50% electrophoresis reagent epoxide number(eq/100g)0.74-0.79 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: 16.5~22.5% fe:6.1-6.2% filteraid fmp(microscopic) food grade for biochemistry for cell culture, ≥ 99% free acetic acid (on dry basis), 39.0-41.0%,sodium acetate (on dry basis), 58.0-60.0% free amine type gel strength ~160 (bloom) gr,99.99% heat resistant injection stage hydrogen form,50-100 mesh hydrogen form hydroxyl value 40-60 mgkoh/g hydroxyl value:82-92mgkoh/g hydroxyl value:98 ind,90% ind,97% ind,98% ir 35% in hcl ir>52% ir120(钠型) irc-748 ir≥35% k30 labelling efficiency ≥ 70% m.w~450,000 maltose≥50% mg(4-5%) mgo:40-47%,light mixtureofcisandtrans,≥98%,stabilized mixture mn 5500 mn ~2000 mn ≥71.0%,粒径3-5um mn: 44-48% mn=45000-50000 mp.100-140°c mpeg(2k)-pla(2k) mpeg(2k)-plga(10k) (1:1) mv 2000-5000 mw 10,000-100,000 mw 1000 mw 11000 mw 146000-186000 mw 3000-5000 mw 40000-50000 mw 4000 mw 400 mw 40k mw 50000 mw 5000 mw 700 mw 750 mw 7680-9510 mw ~60000 mw(viscosity-average):27000 mw(viscosity-average):300000 mw.1000 mw.400 mw1000 mw3400 mw4300 mw:1000-1500 mw:1500 mw:3400 da mw:360 mw:4000 da mw:40000 mw:4000 mw:5000 n%42-44%,p%12-14% nh3≥40% ni%≥18% ni≥10% ni≥45% n~10, mn~709 n~10,average mn ~711 n≈10 oil content ≥70% os 38.5% p2o5=68.8% pathological level,melting point 58~60℃ pbo:33-40% pb≥26.7% pd 5%,poisoned with lead pd:≥39% pd≥59.5% peg 600 peg20000 pellets,3-5 mm ph 1000 pharmaceutical grade,mw40000 pharmaceutical grade,mw64000-76000 polysaccharide>75% premium,99% 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% od: 8-15nm length: ~50μm ssa: >140m2/g purity:>95wt% od:<2nm length:5-30 μm ssa:>640 m2/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℃) reactive oxygen≥4.50%,(khs05)≥42.80% reagent grade rh 17.1% rh=38.1% saponification value 145-155 sio2 57~63% sn 32.55% sn 56.62% sn>42% sn≥46% sodium group solid content ≥99% strength ≥290% strength:100% tech.ca 75% in water technical grade tech tinting strength >99% total nitrogen 2.9 to 3.3 % total phosphate≥68%(as p2o5) vinyl acetate 40 wt.%,melt index52 g/10 min(190°c/2.16kg) viscosity 17-40 mpa.s (20 °c) viscosity 300-800mpa.s,80 mesh viscosity: 60000 cst viscosity:1000-1400 mpa.s viscosity:11250-21000mpa.s viscosity:300-800 mpa.s(25℃) viscosity:300-800mpa.s viscosity:413mm2/s viscosity:45-75mpa.s,25℃;epoxy value:0.6-0.64eq/100g water≤50 ppm(by k.f.),98.0%,with molecular sieves,safeseal white granular,viscosity:0.8-0.83mpa·s white wo3 85% wo3≥85% wo3≥88.5% zn 14.5-15.5% zn ~18% zn=28-30wt% zno 10.3~11.3% zro2≥20% ~1250mesh ~25% solids in h2o ~5% water,95% β-phase,99.9%,1-3μm γ-pga>95%,mw>700000 ≤45um,99.0% metals basis ≥100,000 u/g ≥45% cuo basis ≥57% zno basis ≥75%,40μm ≥80%(isomers mixture) ≥85.0%, permeability 1.5~2.5 ≥85.0%, permeability 2.5~3.5 ≥900iu/mg ≥97% ≥99 atom % 15n, ≥99% ≥99%(gc) ≥99.0%,hplc ≥99.5%,for cell and insect cell culture ≥99.9% metals basis ≥99.9% 单层率:~99% 片径:0.5~5 μm 厚度:0.8- 1.2nm 厚度:~2 nm,片径:2-3 μm 片径: 0.5-5 μm, 厚度: 1-3 nm 片径:1-3 μm 厚度:1-5 nm 片径:5-10微米 厚度:3-10nm 耐高温300℃