国华试剂

95% >95% ≥95.0% (总氮法) 96% 97% AR97.0% ≥97% 分析对照品 98% ≥98.0% ≥98.5%AR 医药级≥98.5% 99% ≥99% ≥99.0% 99.5 % 99.5% 无水，≥99.5%AR 99.9% 99.99% metals basis 分子量 600 average Mn ~5,800 85%水溶液AR 85%水溶液 固体含量50% 电子级 49wt. % in H2O 99.99999%metals basis

10mL 500mL 500ml 4L 20L 500mg 1g 5g 10g 20g 25g 50g 100g 250g 400g 500g 1000g 1kg 1.5kg 5kg 10kg 25kg 200kg