Endress+Hauser analytikjena PlasmaQuant 9100 - Maintenance of the One-Piece Torch

PlasmaQuant 9100 (Elite) Maintenance and care
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} Alternately screw in the gas connection (8 mm) and the white Allen
screw by half-turns. The gas connection must end flush with the upper
edge of the holder. The Allen screw must protrude slightly.
} To check, slightly unscrew the connection piece and screw it back in.
} If there is noticeable resistance against the glass body, unscrew the gas
connection and Allen screw by approx. 1mm and repeat screwing them
in alternately.
} Mount the inner and outer tube (→ "Cleaning the dismantleable torch"
58).
7.2.3 Maintenance of the one-piece torch
WARNING
Risk of chemical burns from aqua regia
Aqua regia is a 3:1 mixture of concentrated hydrochloric acid and nitric acid. Aqua regia
is highly corrosive and has an oxidizing effect.
¡ Wear protective glasses and clothing when creating and working with aqua regia.
Work under an extraction hood.
¡ Observe all instructions and specifications in the safety data sheets for the basic ma-
terials.
CAUTION
Risk of burns from the hot torch
Plasma is extremely hot. The torch is still very hot after the plasma has been extin-
guished. Contacting these hot surfaces can cause burns.
¡ Wait 5minutes after extinguishing the plasma. Only touch the torch after this time.
CAUTION
Risk of injury
A risk of injury due to broken glass is present when handling glass parts.
¡ Handle glass parts with extreme caution.