全部 源叶

全部 1g 250mg 5g 100g 25g 50mg 500g 2.5kg 100mg 25mg 500mg 10g 50g 1kg 250g 5kg 5ml 12×500g 200mg 5mg 100ml 10l 2.5l 500ml 1l 1ml 25ml 2g 3g

全部 ≥99.5%(4 times purification) ≥99%(4 times purification) 98% ≥99% 99% ≥98% ≥98%(4 times purification) ≥97% 95% 96% ≥98%(gc) ≥99% metals basis ≥95%(t) ≥99.5% 97% ≥93%(gc) ≥95%(gc) ≥98%(t) 升华级, ≥99% >95%(t) >97%(t) >98%(gc) >98%(t) 1.80-2.10μm 5.20-5.90μm 7.50-8.50μm 90% 99.5% metals basis 99.5%(4 times purification) 99.5% ar,85% ar,99% cabot vulcan xc-72 k-value 72-71 mn<20,000 mn<25000 polymer content:20.0-22.0%,water content:32-36%,voc content:44-48%,total acid capacity:1.03-1.12meq/g polymer content:5.0-5.4%,water content:42-48%,voc content:47-53%,total acid capacity:1.03-1.12meq/g standard for gc, ≥99.5%(gc) ≥70.0% ≥80% ≥85% ≥90%(c18≥40%) ≥90% ≥95%(mixture of c18 and c16) ≥95% ≥96%(gc) ≥96% ≥97%(gc) ≥98% metals basis ≥99%(gc) ≥99%, acid <10 ppm, h2o <10 ppm ≥99%, acid <200 ppm, h2o <100 ppm ≥99%, h2o <500ppm ≥99%, h2o≤500 ppm ≥99.5% ( 4 times purification ) ≥99.9% metals basis, excludes ~2% hfo2,powder ≥99.9% metals basis ≥99.9%, acid <10 ppm, h2o <10 ppm ≥99.9%, 酸值<10 ppm,h2o<10ppm ≥99.95% metals basis ≥99.98% metals basis ≥99.99% metals basis 分析标准品, ≥99.8%(gc) 化学纯(cp), ≥98% 平均粒径: 25μm 无水级, ≥99% 无水级, ≥99.7% 无水级, ≥99.99% metals basis 熔融指数 0.3g/10min 熔融指数 0.5g/10min 熔融指数 12g/10min 熔融指数 28g/10min 熔融指数 35g/10min 熔融指数 4g/10min 用于元素分析 用于固相萃取 电子级, ≥99% 粉末,≤12μm粒径 粒径: ≤5μm,比表面>7.5 m2/g 粒径:5-10μm 纳米粉末,less than 500 ppm al,ti,fe,ni,cu,and zn combined 纳米粉末,粒径<25nm(bet) 色谱级, ≥99.7% 试剂级, ≥90%, 10 μm 试剂级 适用于合成 锂离子电池电极材料