Purchasing alkali metals

has anyone any recent experience of purchasing the above please?
I don't wan to buy a lot as we are a fairly small school, but some company's add a surcharge.
Thanks
 
has anyone any recent experience of purchasing the above please?
I don't wan to buy a lot as we are a fairly small school, but some company's add a surcharge.
Thanks
there generally is a surcharge for chemicals but it's not much, I try to buy them all together.
 
I think the surcharge is something to do with the delivery drivers needing specialist training, so get paid more.
But I may have totally made this up.
 
I try to buy all the "surcharged " items together as you only pay once. So, alkali metals, conc acids, flammable metals all get put on one order.
 
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