FED-STD-791D
4.11 Gooch crucible with asbestos mat.
5. MATERIALS
5.1 CAUTION - SOME MATERIALS ARE TOXIC AND HAZARDOUS. The
materials references and standards listed in this section must be handled carefully.
Federal Test Method 10000, Material Handling Safety Precautions, is a reference which
lists all toxic and hazardous materials cited in FTMS 791. The synonyms, life hazard,
flammability, handling and storage precautions, emergency treatment and measures, and
spill practices of each chemical are explained.
5.2 Silicon carbide paper, No. 400.
5.3 Solvent, dry-cleaning (A-A-59601D).
5.4 Cleaning solution, glass (concentrated sulfuric acid [3,0,2] saturated with
potassium or sodium dichromate [1,0,1], technical grade).
5.5 n-Hexane, thiophene-free (ACS) [1,3,0].
5.6 Isopropyl alcohol (ACS), [1,3,0].
5.7 Petroleum ether (ACS) [1,4,0].
5.8 Acetic acid, 25% solution [2,2,1].
5.9 Distilled water.
5.10 Scouring powder, commercial grade.
5.11 Steel wool.
5.12 Pipe cleaners.
5.13 Cleaning compound, special (Penetone ECS; Penetone Corporation, 74
Hudson Avenue, Tenafly, New Jersey 07670; [201] 567-3000 or equivalent) [u,u,u].
5.14 New parts to be installed before each test (available form Erdco Engineering
Corp.):
a. Pump shaft seal.
b. O-rings for sealing the filter, cooler, and oil-bypass relief valve.
c. Air-diffuser stone for coking head. (The stone in the humidifier is not replaced
except as needed).
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