The phrase "small amount of material" is correct and usable in written English.
It can be used when referring to a small quantity of a substance or physical matter. For example: - The experiment required a small amount of material, including two test tubes and a dropper. - The artist only needed a small amount of material to create her masterpiece. - The carpenter measured out a small amount of material to build the miniature model.
Noting evidence of rape, coroners were able to gather a small amount of material from the girls.
Trusses are popular because they use a relatively small amount of material to carry relatively large loads.
The determination was made after the use of a new kind of radiocarbon dating that needs only a small amount of material.
The economy of filling such a large space with so much sound and form using a relatively small amount of material is impressive.
The main Saka dialect is known as Khotanese, but a small amount of material survives in a closely related dialect called Tumshuq, formerly known as Maralbashi.
He used a small amount of material he had recorded at the event: a quotation from Paul Wilkins, Mr. Baucus's chief of staff.
Holiday may have written just a small amount of material -- including the song "Fine and Mellow" and the lyrics to "Don't Explain" and "God Bless the Child" -- but those songs endure as quintessential representations of her art and life.
It was a small amount of material relating to one story, that was encrypted to military grade, was sent safely, arrived safely and didn't involve any loss of control.
The not-so-modest prime objective of Phobos-Grunt (Russian for Phobos-Soil) is to collect a small amount of material from the surface of Phobos, the larger of Mars's tiny moons, and return it to Earth.
To solve this problem, researchers are developing new instruments in which a small amount of material can be evaporated from the surface with a pulse of energy and ionized with a pulse of laser light.
The small amount of material ensures short cooling down times.
