-
resistance to
fading from
prolonged exposure to
light could be produced.
Dichromated colloids were also used as
photoresists in
various industrial applications...
-
Chromate salts contain the
chromate anion, CrO2− 4.
Dichromate salts contain the
dichromate anion, Cr 2O2− 7. They are
oxyanions of
chromium in the +6...
-
Sodium dichromate is the
inorganic compound with the
formula Na2Cr2O7. However, the salt is
usually handled as its
dihydrate Na2Cr2O7·2H2O.
Virtually all...
-
photographic context.
Gelatin or gum
arabic layers sensitized with
dichromate used in the
dichromated colloid processes carbon and gum
bichromate are sometimes...
-
Ammonium dichromate is an
inorganic compound with the
formula (NH4)2Cr2O7. In this compound, as in all
chromates and
dichromates,
chromium is in a +6...
- pot****ium
dichromate is used for COD determination,
although for
samples with COD
below 50 mg/L, a
lower concentration of pot****ium
dichromate is preferred...
-
Silver dichromate is a
chemical compound with the
formula Ag2Cr2O7. It is
insoluble in
water and
decomposes when
treated with hot water. Its
anion has...
-
acidifying (with
sulfuric acid) a
solution of pot****ium
dichromate. The old name for pot****ium
dichromate is pot****ium
bichromate and the cell is
often called...
- pigment—originally
carbon black, from
which the name derives) is
bathed in a pot****ium
dichromate sensitizing solution, dried, then
exposed to
strong ultraviolet light...
-
Mungo Ponton discovered that
dichromates are
light sensitive.
William Henry Fox
Talbot later found that
sensitized dichromated colloids such as
gelatin and...
