SUPELCO
10μL 不锈钢 HPLC 定量环,7000 psi,件, HPLC sample loop 10μl ss 7000psi ea
Poly(styrene-co-divinylbenzene)
聚苯乙烯交联二乙烯苯
Black plastic caps
黑色塑料盖
福尔马肼浊度标准液(2 NTU), Turbidity 2 NTU Calibration Standard-Formazin
Complex Nutrients-WP
多分散颗粒标准品, Polydisperse Particle Standard
Residual Free Chlorine (RFC)
Steroid Carbon Isotope Ratio Standard 34-3
硬脂酸镁, Magnesium stearate
N-Acetyl-L-cysteine methyl ester
N-乙酰基-L-半胱氨酸甲酯
AmberChrom® 50WX2 氢型, AmberChrom® 50WX2 hydrogen form
Tetrabutylammonium Bromide
四丁基溴化铵
ICP 铜标准品, Copper Standard for ICP
多氯联苯 1242溶液 溶液, Aroclor 1242 solution
硝酸根标准液,用于离子色谱分析, Nitrate Nitrogen Standard for IC