全部 源叶

全部 500g 100g 25g 5g 2.5kg 1l 1kg 250g 500ml 1g 100ml 10g 50g 5kg 250mg 1ea 10kg 12×500g 20×500g 2g 25kg 100mg 10mg 50mg 25mg 5mg 20ml 50ml 25ml 6×20ml 1mg 180g 200mg 500mg 6×1kg 3×1kg 6×500g 250ml 1ml 5ml 2.5l 20l 454g 500g*20

全部 ≥99.99% metals basis 98% ≥98% 99% ar ≥99% ≥99.9% metals basis 欧洲药典, 适用于分析, acs, 优级品 99.99% metals basis ≥95% 欧洲药典(ph.eur), 适用于分析, acs, 优级品 acs ar,99% 适用于分析, 优级品 99.9% metals basis acs, ≥99% ≥97% 97% ar, ≥99% ar,98% 1mg/ml (1,000ppm) 95% 试剂级 适用于分析, acs, 优级品 0.1mg/ml (100ppm) usp ≥10 atom%,≥98.5% ≥99 atom%,≥98.5% ≥99.5% metals basis ≥99.995% metals basis ≥99.998% metals basis 丰度:10atom%;化学纯度:≥98.5% 丰度:99atom%;化学纯度:≥98.5% 无水级, 高级纯, 试剂级, ≥99% 60-70%水溶液 99.98% metals basis acs, ≥98% acs, ≥99.8% ar, ≥96% ar, ≥98% ar,97% ar,98.5% gr, ≥99.5% pharmpure™,usp,jp,bp,欧洲药典(ph.eur),gmp ≥97%(hplc) ≥99.98% metals basis 优级试剂, ≥99% 优级试剂 基础级试剂, 用于制备 无动物源, low endotoxin, 用于细胞培养, ≥99% 无水,99.99% metals basis 无水级, ≥99.9% metals basis, powder 无水级, ≥99.99% metals basis, powder 超干级, ≥99.9% metals basis(reo) 超干级, ≥99.99% metals basis(reo) 超干级, ≥99.99% metals basis 超纯级 <2 μm, ≥99.5% metals basis 0.0100 normal (n/100) in isopropyl alcohol (no preservative) 0.0100 normal (n/100) in isopropyl alcohol 0.0100 normal (n/100) 0.0200 normal (n/50) in denatured alcohol 0.0200 normal (n/50) 0.025 n 0.05 m (m/20) 0.0500 normal (n/20) 0.083 normal, ph 12.7 0.085m 0.0891 normal, 1 ml = 5 mg koh (5000 ppm koh) 0.1% (w/v) in 5% (v/v) alcohol 0.100 normal (n/10) in isopropyl alcohol 0.200 normal (n/5) 0.250 normal (n/4) 0.3 n in h2o 0.400 normal 0.5% (w/v) 0.5% w/w 0.500 normal (n/2) 0.5m 0.5n in 10% ethanol 0.9%水溶液,bioreagent plus,适用于细胞培养 1.2-2.0mm,元素分析仪专用 1.30 normal 1.50 normal 1.6m in dichloromethane 1.80 molar 10% (w/v) 10% 10.0 normal 11.8% as k2s 12.5% (w/v) 14% (w/w) 15% (w/v) 15-18%ca 16.5 to 18.5% fe 1m in dichloromethane 1mol/l(2n) 2.0 m in methylene chloride 2.00 normal 2.08 normal 20% (w/v) 20% in h2o 20% w/w 水溶液 3% (w/v) 3.00 molar (3.00 normal) 3.7% 30% (w/v) 39-44% b2o3 basis,31-37% cao basis,powder 3m,ph5.2,无菌 4 m in methanol 4.00 normal 40% (w/v) 44-46%,无水级 4n 5% 5.00 normal, 5.00 molar 5.6% 50% (w/v), suitable for orsat gas analysis 50%-70% 6.00 molar 6.50 normal 60% (w/v) (600 g/l) 60% 65-70% p2o5 basis 7.4% 8.00 normal 80 g/l aqueous 85%(kt) 85% 9-11%的有效氧 90% 96% 98%,nh3: 40% 98.5% 99%,无水级 99.5% 99.9% metals basis,粉末 99.9% 99.99% trace metals basis 99.999% metals basis acs, ≥97% acs, ≥99.5% acs, ≥99.95% acs, 干燥级,用于水分吸收 al2o3≥28% anhydrous, ≥99.9% metals basis, 片状 animal free, low endotoxin, 用于细胞培养(培养基原料), ≥99% ar, drying agent ar, fe 20.5-22.5% ar,54-57% cu basis ar,90% ar,99.5% ar,99.9% bioreagent, 用于分子生物学,1.0 m bioreagent, 用于植物细胞培养, ≥99% bioreagent, 用于电泳, ≥98% bioreagent, 用于细胞培养, 用于昆虫细胞培养 bioreagent, 用于细胞培养 br,1250目 br,200目 br,325目 br,400目 br,800目 br,93% br,97.5% cp,47% cp,95% cp,98% cr 24% cu≥72%,<50 nm dried,contains ca 1-2mol water of hydration fe 21-23% fe,60.0 - 72% gr,99.5% ir 35% in hcl meetsusptestingspecifications p2o5 ca 7.5% w/w pbo:75.6~80.5 % pharmpure™, usp, bp, puriss., 欧洲药典(ph.eur), ≥99%(calc. to the dried substance) pharmpure™, usp, bp, puriss., 欧洲药典(ph.eur) pharmpure™, 医药级, 红色 pharmpure™, 医药级 pharmpure™,chp pharmpure™,jp,bp,欧洲药典(ph.eur),nf pharmpure™,usp,chp,jp,bp,欧洲药典(ph.eur),crystallization,gmp pharmpure™,usp,chp,jp,bp,欧洲药典(ph.eur) pharmpure™,usp,jp,bp,欧洲药典(ph.eur) primortrace™, ≥99.9% metals basis primortrace™, ≥99.99% metals basis, <1um primortrace™, 超纯级, ≥99.99% metals basis puriss. p.a., acs, ≥99%(kt) puriss. p.a., acs, ≥99%(precipitation titration) puriss. p.a., acs, ≥99%(rt), red puriss. p.a., 欧洲药典, 无水级, ≥98%(iodometric) puriss., 欧洲药典, 80-82.5% bi basis(calc. on dried substance) purum, 45% fecl3 basis rh 21.3% ru 28.4% min so2含量≥58.5% sp,99.8% ts, 6.50% (w/v) ultra pure,co ≥ 20.5% ultrabio™, 分子生物学级, 超纯级, ≥99%(at) ultrabio™,≥97% usp, bp, 欧洲药典, ≥98% usp, chp, jp, bp, 欧洲药典, 药典级, crystallization usp, 欧洲药典 ≥10 atom% 15n ≥40%,用于分析的小团块 ≥42% k2s basis ≥68% ≥80% ≥85%, 30nm, α type ≥90% ≥91% ≥93% ≥95.0% ≥96% ≥97%,as hcl ≥98 atom% d ≥98% metals basis, 10nm ,type γ ≥98% metals basis, ≤50nm,type γ ≥98%, ni32% ≥99% metals basis, powder,<3μm ≥99% metals basis, powder,<5μm ≥99% metals basis, powder ≥99%(dry weight) ≥99%, 2μm ≥99%, 40~100目 ≥99%, 5~20目 ≥99%, cl≤0.40%,>200目 ≥99%, cl≤0.40%,100~200目 ≥99%, powder,60 mesh ≥99.5% metals basis, 100-300nm ≥99.5% metals basis, 30nm,α-ype ≥99.5% metals basis, 40nm ≥99.5% metals basis, 50-100nm ≥99.5% metals basis, ≤100nm ≥99.5% metals basis, ≤200nm ≥99.5% metals basis, ≤40nm ≥99.6% metals basis ≥99.6%, 1-3μm ≥99.7% metals basis ≥99.8%, 25μm ≥99.8%, 高白度,10μm ≥99.9% metals basis(reo) ≥99.9% metals basis, 2~10μm ≥99.9% metals basis, 5 wt. % in h2o,<100 nm ≥99.95% metals basis, for metallurgy ≥99.95% metals basis ≥99.99% metals basis, 2-10μm ≥99.99% metals basis, excluding hf or hfo2,powder,0.2~0.4um ≥99.99% metals basis, excluding hf or hfo2,powder,≤100nm ≥99.997% metals basis ≥99.999% metals basis 丰度:99atom %;化学纯度:≥98.5% 丰度:99atom%;化学纯度:≥98% 优级试剂, 50 wt. % in h2o 优级试剂, ≥98.5% 优级试剂, ≥99.8% 优级试剂, 适用于分析, acs, 欧洲药典 光学级,99% 光玻级, ≥99.99% metals basis 克拉维酸钾:微晶纤维素 1:1 化学纯(cp), ≥98% 化学纯(cp), ≥99% 化学纯(cp) 医药级, white 医药级, pharmpure™, ≥325 mesh 医药级, pharmpure™ 基础级试剂, 用于制备, crystal 基础级试剂, 用于制备, powder,hydrargillite 天然,高纯 工业级, ≥90%(t) 工业级 带指示剂,10-20目 指示剂 无水, 粉末, 99.99% metals basis 无水级, primortrace™, 超纯级, ≥99.99% metals basis 无水级, ≥99.9% metals basis 无水级, ≥99.95% metals basis, powder 无水级, ≥99.99% metals basis 无水级, 优级试剂, granulated for organic trace analysis 无水级, 优级试剂, 适用于分析 无水级, 欧洲药典(ph.eur), 优级试剂, 适用于分析, acs 无水级, 试剂级, ≥98% 无水级,99.995% metals basis 无水级,pharmpure™,jp,bp,欧洲药典(ph.eur),nf 欧洲药典(ph.eur), puriss. p.a., ≥99% 欧洲药典(ph.eur), 优级试剂, 适用于分析, acs, max. 0,000001% hg 欧洲药典(ph.eur), 适用于分析, iso, 优级品 欧洲药典, bp, ≥98.5% 欧洲药典, 适用于分析, iso, 优级品 液体,模数 3.1-3.4 生物医用级, ≥98%, <70μm 用于分子生物学, ≥99% 用于植物细胞培养, ≥99.5% 用于植物细胞培养, 用于细胞培养 用于细胞培养, 用于昆虫细胞培养, 用于植物细胞培养, ≥99% 用于细胞培养 电子级, 40% solution 电子级, ≥99.98% metals basis 稀释成1升使用,稀释后的浓度为0.0282m 稀释成1升使用,稀释后的浓度为0.1m 稀释成1升使用,稀释后的浓度为0.5m 稀释成1升使用,稀释后的浓度即为1.0m 粉末,20-100目 粒径:60-80nm 色谱级, ≥99%(t) 试剂级,98% 超干级, ≥99.9% metals basis 超干级, ≥99.999% metals basis 超纯,99% 适用于分析, 优级品, 沉淀硫酸钙 适用于离子对色谱, ≥99% 钴 30-32% 银含量:77.0 % 高级纯, 试剂级, ≥99% 高级纯, 试剂级, ≥99.5%, low iron 高级纯, 试剂级, ≥99.9% metals basis, powder,<10μm 高级纯, 试剂级, ≥99.9% metals basis, powder,<5μm