little/small quantity

[Allifathima]

1. I want a small quantity of milk.
2. I want a little quantity of milk.
Which is the correct expression out of the above two?

[Beeesneees]

'small' sounds more natural with 'quantity'.
However, you can replace 'quantity' with 'drop' if speaking about the amounts used in tea, coffee, etc. Then 'little' works too.
'I'd like a small drop of milk'
'I'd like a little drop of milk'
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Cheers m' dears!