The phrase "and a small quantity" is correct and usable in written English.
It can be used when referring to a limited amount of something in various contexts, such as cooking, inventory, or scientific measurements.
Example: "The recipe calls for two cups of flour and a small quantity of sugar to enhance the flavor."
Alternatives: "and a little amount" or "and a limited quantity".
The offense was possession of drug paraphernalia and a small quantity of marijuana, both misdemeanors under Illinois law.
They had a little more grass and a small quantity of flour, which was kept wrapped in a swatch of burlap.
The so-called Mediterranean diet – olive oil, wine, a high intake of fruit, vegetables and fish, and a small quantity of dairy and meat products – has been shown to reduce the risk of cardio-vascular disease by up to 30%.
Once drilled, water, sand and a small quantity of chemical lubricants are pumped in at high pressure, fracturing the brittle shale and forcing the naturally occurring gas out of pores in the rock.
Modern conversion refineries may produce two-thirds of their output as gasoline, with the balance distributed between high-quality jet fuel, liquefied petroleum gas (LPG), diesel fuel, and a small quantity of petroleum coke.
A heavy, syrupy mixture of gum arabic and a small quantity of nitric acid, the etch is used to protect the drawing from water and to further desensitize the undrawn areas to printing ink.
They have various advantages including their genotypes which are easily scored and interpreted, and only a small quantity of DNA is needed for one assay.
Given the low chloride concentrations (<1 mM) of the simulated surface water and groundwater, it is not surprising that OCl– production was low and only a small quantity of H2O2 was removed in the anode.
The men demanded drugs and stole a small quantity of cash.
Now when you ask a computer to perform a task "all of the processors begin to work simultaneously and process a small quantity of information.
Furthermore, the static samples displayed double yielding points in on the stress strain curves, and interestingly, a small quantity of CNTs in PC fibrils strengthened this phenomenon.
