alumina complement

com⋅ple⋅ment
   /n. ˈkɒmpləmənt; v. ˈkɒmpləˌmɛnt/ Show Spelled Pronunciation [n. kom-pluh-muhnt; v. kom-pluh-ment] Show IPA
–noun
1. something that completes or makes perfect: A good wine is a complement to a good meal.
2. the quantity or amount that completes anything: We now have a full complement of packers.
3. either of two parts or things needed to complete the whole; counterpart.
4. full quantity or amount; complete allowance.
5. the full number of officers and crew required on a ship.
6. Grammar.
a. a word or group of words that completes a grammatical construction in the predicate and that describes or is identified with the subject or object, as small in The house is small or president in They elected her president. Compare object complement, subject complement.
b. any word or group of words used to complete a grammatical construction, esp. in the predicate, including adverbials, as on the table in He put it on the table, infinitives, as to go in They are ready to go, and sometimes objects, as ball in He caught the ball.
7. Geometry. the quantity by which an angle or an arc falls short of 90° or a quarter of a circle. Compare supplement (def. 4).
8. Also called absolute complement. Mathematics. the set of all the elements of a universal set not included in a given set.
9. Music. the interval that completes an octave when added to a given interval.
10. Immunology.
a. a system in vertebrate blood of 12 or more proteins that react in a cascade to a cell displaying immune complexes or foreign surfaces, acting in various combinations to coat the cell and promote phagocytosis, make holes in the cell wall, or enhance the inflammatory response.
b. any of the proteins in the complement system, designated C1, C2, etc.
11. complementary color.
–verb (used with object)
12. to complete; form a complement to: This belt complements the dress better than that one.
13. Obsolete. to compliment.
–verb (used without object)
14. Obsolete. to compliment.
Origin:
1350–1400; ME < L complēmentum something that completes, equiv. to complē(re) to fill up (see complete ) + -mentum -ment

Related forms:
com⋅ple⋅ment⋅er, noun

Synonyms:
12. Complement, supplement both mean to make additions to something. To complement is to provide something felt to be lacking or needed; it is often applied to putting together two things, each of which supplies what is lacking in the other, to make a complete whole: Two statements from different points of view may complement each other. To supplement is merely to add to: Some additional remarks may supplement his address.

I would simply say "(and the) balance alumina" or "remainder alumina", as q.s. to me suggests a pharmaceutical context.

E.g.
http://209.85.229.132/search?q=cache:dHl6F-uJX14J:www.wipo.o...