Dynacal Wafer Device - Sulfur Dioxide Wafer CAS # 7446-09-5

VICI MetronicsSKU: PDWF-0082

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Overview

Wafer devices are a specialized type of permeation tube where only a small area of the tube is permeable, creating a window—or wafer—that allows very low permeation rates. Like perm tubes, wafer devices are small, inert capsules containing a pure chemical compound, but permeation occurs only through the polymeric wafer; thus, the permeation rate can be controlled by varying the wafer material, thickness, and diameter of the permeation opening.

Gases with a high vapor pressure at normal permeation temperatures sometimes cannot be contained in a typical permeation tube device. Wafer devices are ideal for applications with these gases. VICI Metronics wafer devices are available in different styles for use in calibrators made by various manufacturers.

Contact us for more information about the list of standard chemicals available. Experimental and non-standard chemicals are also available on request.

View a sample of the Instruction Sheet and Calibration Certificate that are provided for each wafer permeation device

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Total Length: 5.5 cm

Diameter: 1.6 cm

PDWF-0082

See list below, different flow rates are achievable depending on calibration temperature.

30°c- 54 ng/min

35°c- 76 ng/min

40°c- 110 ngmin

45°c - 140 ng/min

50°c - 220 ng/min

We offer Certified devices, but these are special order only. See the below list for other custom options for different flow rates. Please Contact us for a quote and lead time.

SPECIAL ORDER ONLY SO2 Wafer Rates

30C

14

20

30

45

60

95

160

270

450

35C

21

30

45

65

90

135

230

380

635

40C

30

42

65

95

130

190

325

530

880

45C

44

62

95

140

190

270

460

760

1,270

50C

64

90

140

210

280

390

650

1,080

1,800

60C

140

200

310

460

620

780

1,300

2,150

3,580

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