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Development in the method for the rapid determination of carbon and hydrogen in coal

✍ Scribed by Fenton, G. W.

Publisher
Wiley (John Wiley & Sons)
Year
1943
Weight
481 KB
Volume
62
Category
Article
ISSN
0368-4075

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✦ Synopsis

calculntion of the results wns kindly cnrried out for us by Dr. J. 0. Irwin. He finds thnt 1 mg. of nscorbic ncid in the dried cnbbage as determined chemicnlly is biologicnily equivnlent to 144 mg. of nscorbic ncitl, Le., the potency rntio = 1 e0.1. The fiducinl limits corresponding to P = 0-95 nrc 0.86 and 1.27 (or 83-122%).

1 +8i

There is thus no evidence of any discrepnncy betwen thc results of the biologicnl nnd chemical tests.

It appenrti, tbercfore, tlint in n processccl food such na cnbbnge dried in the presence' of sulphite, t,hc titrntion method nlrendy referred to is ns relinble nil iridcs of t.lit! ritnmin-C content ns biological nssny.

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