The DB-17 GC Column is a (50%-Phenyl)- methylpolysiloxane column of mid polarity. The DB-17 GC Column is excellent for confirmation analysis. The DB-17 GC Column is equivalent to USP Phase G3. Agilent ...
Polycyclic aromatic hydrocarbons (PAHs) are chemical compounds consisting of fused aromatic rings formed during the incomplete combustion of organic materials. The European Commission (EU) recommends ...
Xwawa 是一个基于区块链技术的 Web3 抽奖与数字资产交易平台。项目集成了智能合约、代币经济和现代化的用户界面 ...
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