Cov kua ntxhua khaub ncaws, hu ua detergent lossis tshuaj pleev, feem ntau yog siv rau cov iav iav uas tsis yooj yim rau txhuam nrog txhuam, xws li burettes, pipettes, volumetric flasks, retorts, thiab lwm yam. Nws kuj yog siv rau ntxuav crapware uas tsis tau siv rau. ntev thiab fouling uas txhuam tsis tuaj yeem ntxuav. Txoj cai