如果企业客服不在线,也可拨打400电话联系。或者发布求购信息
2-巯基苯并咪唑(无证书)
牛磺酸 对照品
Wavelength Calibration Reference for 1560 nm to 1595 nm (Carbon Monoxide C-12/O-16)
壬醛-2,4-二硝基苯腙(溶剂:乙腈)
密度 0.7411g/ml @ 15°C 标准品
妥曲珠利亚砜
Quality Control Standard (21) Matrix 4% HNO3 + Tr HF(有证书)
扑草净溶液, 100ppm
First Standard® 甲苯中联苯三唑醇溶液,1000μg/mL
Hydrochloric Acid (subboiling distilled acid)(有证书)