QBlock / QPlate

PTFE Coated Graphite & Anodized Aluminum Blocks that Heats up to 400 °C

QBLOCK

230 °C Digestion Block Systems

Hot Block
230 °C, 50 mL, 56 position Block
  • Each QBlock is equipped with its own Separated Controller to be used outside of fume hood protected from heat and acid
  • Complete flexibility – QBlocks available for a Variety of Vials and liners
  • Unique heating elements for providing Uniform Heating that reaches adequate temperatures for tri-acid treatment
  • Each off-the-shelf Qblock comes with a Tray and Tray-Holder

Pick any Vial Size you want !

Vials-tray
We provide vials in Teflon, Glass and Polypropylene material

Off-The-Shelf 230 °C Blocks

Vial (Vial OD)PositionsBase SizePowerPart Number
(120 VAC)(240VAC)
15 mL Test tube
(15 mm)
7239 X 33 cm1200 WQW-100-179QW-100-154
25 mL Vial
(21 mm)
7239 X 33 cm1200 WQW-100-177QW-100-152
9043 X 39 cm1500 WQW-100-277QW-100-252
50 mL Vial / 100 mL Tube
(30 mm)
5643 X 39 cm1500 WQW-100-276QW-100-251
7246 X 39 cm1800 WQW-100-376QW-100-351
9048 X 55 cm2200 WUnavailableQW-100-905
100 mL Beaker
(46 mm)
2039 X 33 cm1200 WQW-100-178QW-100-153
3046 X 39 cm1800 WQW-100-377QW-100-352

Controller

  • Protects all of the electronical components by being away from the Acidic Environment of the fume hood.
  • Operate while being away from the fume hood
  • Replaceable incase of damage
  • In built Safeties incase of unexpected events
Keypad-Controller

Group Wireless Controller

  • Connect with individual QBlock controllers at any time.
  • Independent control of Up to 8 QBlocks / QPlates from distance of 50 m
  • Real time Graphs of digestion
  • PC Connectivity for data archiving and retrieval
  • Built–in NIST Traceable calibration
Group-Wireless-Controller-1

400 °C Digestion Block Systems

  • Equipped with its own Separated Keypad Controller capable of storing 4, 10 step heating profiles
  • PTFE coated stainless steel enclosure
  • Unique heating elements for providing Uniform Heating that reaches adequate temperatures for Kjeldahl method
  • Vial Tray Stand allows tray to be anchored in different positions for heating and cooling
400 °C, 100 mL, 20 position Block

Off-The-Shelf 400 °C Blocks

Vial (Vial OD)PositionsBase SizePowerPart Number
50 mL Vial / 100 mL Tube
(30 mm)
4246 X 39 cm2100 WQW-100-402
3046 X 39 cm2100 WQW-100-403
100 mL Beaker
(46 mm)
2049 X 39 cm2100 WQW-100-404
50 mL, Tray for 400 °C QBlock
Tray with Tray stand

 Need a Custom Solution ?

Do you have unique vial and temperature requirements?

Questron can design and manufacture customized block digestion systems.

QPLATE
  • Each QPlate is equipped with its own Separated Controller to be used outside of fume hood protected from heat and acids
  • The controller  is compatible with the same Qblock Wireless Group Controller.  

Off-The-Shelf Plates

Plate SizeMaterialRatingBase SizePowerElectricalPart Number

12"X12"
30.5 X 30.5 cm

Graphite230 °C

15" x 13" 7"
39 X 33 X 20 cm

1200 W12 A, 120 VACQW-100-811
6 A, 240 VACQW-100-801

12"X12"
30.5 X 30.5 cm

Aluminum400 °C

15" x 13" 7"
39 X 33 X 20 cm

2000 W8 A, 240 VACQW-100-802

12" X 24"
30.5 X 61 cm

Graphite230 °C

27" x 13" x 7"
70 X 39 X 20 cm

2400 W10 A, 240 VACQW-100-803

12" X 24"
30.5 X 61 cm

Aluminum400 °C

27" x 13" x 7"
70 X 39 X 20 cm

4000 W18 A, 240 VACQW-100-804

14" X 36"
36 X 91.5 cm

Aluminum400 °C

17.5" x 39.5" x 7"
44 X 100 X 20 cm

6000 W25 A, 240 VACQW-100-805