璽標（上海）科技基體標物/質(zhì)控樣品：ST-020-10A-51A甲醇中84種VOC混標200μg/ml1ml

璽標（上海）科技基體標物/質(zhì)控樣品：ST-020-10A-50A甲醇中35種VOC混標 HJ6441000μg/ml1ml

璽標（上海）科技基體標物/質(zhì)控樣品：ST-020-10A-48A甲醇中4種三鹵甲烷混標GB5749-2022常規(guī)指標2000μg/mL2ml

璽標（上海）科技基體標物/質(zhì)控樣品：ST-020-10A-46A5種陰離子混標1000μg/ml50ml

璽標（上海）科技基體標物/質(zhì)控樣品：ST-020-10A-42A甲醇中3種氯苯類混標1000μg/ml2ml

璽標（上海）科技基體標物/質(zhì)控樣品：ST-020-10A-39A二氯甲烷和苯中16種多環(huán)芳烴混標200μg/mL1ml