Chemical Impurities Flashcards

1
Q

Chloride

A

AgNO3 -> AgCl

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2
Q

Sulphates

A

BaCl2 -> BaSO4

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3
Q

Arsenic

A

Diethylthiocarbamate

(vis-spec 535-45mm)

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4
Q

Na and Ca

A

Flame spectroscopy

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5
Q

Iron

A

Ammonium thiocyanate [NH4]SCN -> blood red complex

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6
Q

Heavy Metals

A

H2S -> black

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7
Q

Zinc

A

(white)

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8
Q

Cadmium

A

(yellow)

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9
Q

Tin

A

(orange)

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10
Q

Manganese

A

(pink)

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