Capsule Sinkers

 

Floating dosage forms rarely dissolve at a reproducible rate. Using a sinker in Apparatus 2 fixes the dosage form to a certain point and aids reproducibility. Sinkers can also be useful where dosage forms may stick to the sides of the vessel.


General guidelines to consider when choosing a sinker for your application include: 

  • Sinker Size - the sinker should have minimal surface contact with the tablet as this can affect the dissolution rate.

  • Sinker Weight - should be kept to a minimum - just enough to have a desired effect.

  • PTFE Coated Sinkers Magnetic - used with magnetic retrieval systems,  or where there may be a reaction between steel and the tablet.

  • Uncoated - type 316 stainless steel sinkers are more durable than coated sinkers.

  • Basket Sinkers - can be used but care should be taken that the outer coating of the tablet does not clog the mesh

  • Wire Spirals - should be as wide as practically possible to avoid clogging.

 

 

 

Product Description

Image

Product Code

Japanese Pharmacopeia Basket Sinker

CERTBSK-JP

CERTBSK-JP

5.5 Spiral Stainless Steel Capsule Sinker 22.4 x 11.81mm Capacity.

 

CAPWHT-XLSS

4 Spiral Stainless Steel Capsule Sinker 33.5 x 11.7mm Capacity

4 Spiral Stainless Steel Capsule Sinker 33.5 x 11.7mm Capacity

CAPWHT-XLS

Felodipine Test Suspended Basket

Felodipine Test Suspended Basket

STABSK-VK8

10 Spiral Stainless Steel Capsule Sinker 31.0 x 11.0mm Capacity

CAPWST-31

CAPWST-31

7 Spiral Stainless Steel Capsule Sinker 23.0 x 8.0mm Capacity

CAPWST-23

CAPWST-23

6 Spiral Stainless Steel Capsule Sinker 19.3 x 7.0mm Capacity

CAPWST-19

CAPWST-19

5 Spiral Stainless Steel Capsule Sinker 18.0 x 6.0mm Capacity

CAPWST-18

CAPWST-18

4 Spiral Stainless Steel Capsule Sinker 15.5 x 5.0mm Capacity

CAPWST-15

CAPWST-15

6 Spiral Stainless Steel Capsule Sinker 25.4 x 14.6mm Capacity

CAPWHT-XS

CAPWHT-XS

4 Spiral PTFE Coated Capsule Sinker 33.5 x 11.7mm Capacity

CAPWHT-XL

CAPWHT-XL

4 Spiral PTFE Coated Capsule Sinker 33.5 x 10.4mm Capacity

CAPWHT-LG

CAPWHT-LG

4 Spiral Stainless Steel Capsule Sinker 26.0 x 9.7mm Capacity

CAPWHT-4S

CAPWHT-4S

4 Spiral PTFE Coated Capsule Sinker 26.0 x 9.7mm Capacity

CAPWHT-04

CAPWHT-04

6 Spiral Stainless Steel Capsule Sinker 22.9 x 9.4mm Capacity

CAPWHT-2S

CAPWHT-2S

6 Spiral PTFE Coated Capsule Sinker 22.9 x 9.4mm Capacity

CAPWHT-02

CAPWHT-02

3 Pronged Capsule Sinker with Magnetic Top VanKel (Varian) Style

MAGWHT-VKTOP

MAGWHT-VKTOP

3 Pronged Capsule Sinker, Uncoated Stainless Steel Vankel (Varian) Style

CAPWHT-SV

CAPWHT-SV

3 Pronged Capsule Sinker with Magnetic Legs VanKel (Varian) Style

MAGWHT-VK

MAGWHT-VK

3 Pronged Capsule Sinker VanKel (Varian) Style

CAPWHT-VK

CAPWHT-VK

O-Ring Sinker 316 stainless steel 11.8 x 25.8mm capacity

CAPWHT-S99

CAPWHT-S99

Time Release Capsule Sinker

CAPWHT-TR

CAPWHT-TR

Breath Film Sinker

CAPWHT-PC

CAPWHT-PC

40 Mesh Basket Sinker VanKel (Varian) Style

SNK040-VK

SNK040-VK

10 Mesh Basket Sinker VanKel (Varian) Style

SNK010-VK

SNK010-VK

8 Mesh Basket Sinker VanKel (Varian) Style

SNK008-VK

SNK008-VK

8 Mesh Basket Sinker Japanese Pharmacopeia Size

BSK008-JP

BSK008-JP

8 Mesh Basket Sinker

BSK008-01

BSK008-01

Type 316 Stainless Steel Wire 0.6mm dia 15m Roll

WIRESK-VK

WIRESK-VK


 

 

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