• Standard substances for determination of refinery gas components
    Standard substances for determination of refinery gas components

    标准物质组分典型量值范围不确定度备注炼厂气组分测定用气体标准物质氢0.0100%......

  • Standard substances for sulfide analysis
    Standard substances for sulfide analysis

    标准物质组分量值范围及不确定度备注含硫化合物测定用气体标准物质硫化氢、羰基硫、甲......

  • Standard substances for hydrocarbon analysis
    Standard substances for hydrocarbon analysis

    标准物质名称组分量值范围及不确定度备注微量烃类测定用气体标准物质甲烷、乙烷、乙烯......

  • Standard substances for purity determination of ethylene and propylene
    Standard substances for purity determination of ethylene and propylene

    标准物质组分量值范围及不确定度备注1-丁烯中杂质测定用标准物质1-丁烯中丙烷、环......


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