Sebanyak 1 item atau buku ditemukan

Chemical aspects of medieval Arabic minting

Then it is wiped with the hand and its brightness is recognized." 20h. Ibn Yusuf,
op. cit., pp. 128 f f . , considers the matter of recovery of gold from the furnace
walls as part of the labors of the mint. "The gold is in two kinds, gold particles and
others which are gilded. The gold particles are pulverized in a mortar, then
sieved. The sieve holds the "acceptable" f c ashur 1 . Then what comes out from it
is rubbed with mercury. Only the gold amalgam is retained to obtain the gold.
This is mixed ...