VWR瓶口分液器： ariable volume, autoclavable The standard PP units with glass cylinder are suitable for aqueous liquids, dilute acids and alkalis - not for use with solvents and hydrofluoric acid which attack PP (for bottles with GL 32 thread). The glass cylinder and PTFE encased glass piston with PP body models are designed for aqueous solutions, weakly concentrated acids, alkaline solutions and crystallising liquids compatible with PP. The amber glass cylinders, clear glass piston with PP body are suitable for light-sensitive liquids, compatible with PP. Valve system with steel spring PP with precision glass cylinder Quick and easy to use volume setting system Additional rotating fine volume adjustment for right or left handed use Adaptor allows rotation of the dispenser on bottles to the desired position  Glass cylinders, PTFE encased glass piston with PP body   Volume            Division            Pk            Cat. No. 10 - 50 ml         1,00 ml                 1                    612-3670 2 - 10 ml            0,50 ml                1                    612-3669 Glass cylinders with PP standard units   Volume           Division             Pk             Cat. No.   10 - 50 ml           1,00 ml             1               612-4751   2 - 10 ml              0,50 ml            1               612-4750 Amber glass cylinders, clear glass piston with PP body   Volume           Division              Pk              Cat. No.   10 - 50 ml          1,00 ml               1                 612-3672   2 - 10 ml             0,50 ml              1                 612-3671   部分商品现货 北京美同达代理美国VWR耗材，详情请致电：010-88482632

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产品证书：

Q：你们在外省有经销或代理吗？我们要怎么订货？
A：我们的产品都是面向全国，如需订货请拨打我们热线电话：010-88482632 / 010-88482623；

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Q：我可以看产品的样品么，如果适合，我再购买？
A：我们的产品支持网上看产品的，请加我们的客服，或拨打热线：010-88482632；

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A：美同达是国际品牌VHG,VWR的授权商，产品绝对保证，更多详情可以拨打我们客服热线索取。

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A：我们会在您订货后的1-3个工作日发货，如遇节假日或其他情况会有延迟，具体请拨打电话咨询。

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A：客户可联系销售提供《订货合同》范本，我们的合同一般通过Email的形式，当然也可以通过快递的形式。