. . . . / (2) | 273 | 270 |
| Average sample of carbide, unscreened, in \ (1) | 318 | 321 |
| laboratory apparatus . . . / (2) | 320 | 321 |
| Small carbide, dust freed, in large apparatus (1) | 288 | 274 |
| Average sample of carbide, dust freed, in \ (2) | 320 | 322 |
| large apparatus . . . . / | | |
|_____________________________________________________|______|______|
As the result of the foregoing researches Cedercreutz has recommended
that in order to sample the contents of a drum, they should be tipped
out, and about a kilogramme (say 2 to 3 lb.) taken at once from them with
a shovel, put on an iron base and broken with a hammer to pieces of about
2/5 inch, mixed, and the 500 grammes required for the analysis in the
form of testing plant which he employs taken from this sample. Obviously
a larger sample can be taken in the same manner. On the other hand the
British and German Associations' directions for sampling the contents of
a drum, which have already been quoted, differ somewhat from the above,
and must generally be followed in cases of dispute.
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