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Intrinsic Dissolution


The intrinsic dissolution rate (IDR) is defined as the dissolution rate of a pure active substance, where the conditions of surface area, temperature, agitation, and medium pH and ionic strength are all constant.

The apparatus for testing intrinsic dissolution was originally developed in 1963 and is known as the Wood apparatus. The apparatus enables the calculation of the dissolution rate per sq/cm of the active ingredients of pharmaceutical products. 

The apparatus below is suitable for most brands of waterbath dissolution systems. 




Item Name Product Image Price

QLA 10.2" (260mm) Intrinsic 10mm OD Shaft & Holder for Sotax (old style shaft), Electropolished 316 SS, Serialized - IDASNH-ST01

10.2" (260mm) Intrinsic 10mm OD Shaft & Holder for Sotax (old style shaft), Electropolished 316 SS, Serialized
QLA 10.2" (260mm) Intrinsic 10mm OD Shaft & Holder for Sotax (old style shaft), Electropolished 316 SS, Serialized - IDASNH-ST01 £509.00

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QLA Intrinsic Dissolution Apparatus Complete Set for Sotax Baths includes 1 each of the following: IDASNH-ST01 (xx" Shaft & Holder), IDAPCH-01 (8mm Punch), IDADIE-01 (8mm Die), IDAGST-01 (Gasket), IDAPLT-01 (Surface Plate) - IDASET-ST01

Intrinsic Dissolution Apparatus Complete Set for Sotax Baths includes 1 each of the following: IDASNH-ST01 (xx" Shaft & Holder), IDAPCH-01 (8mm...
QLA Intrinsic Dissolution Apparatus Complete Set for Sotax Baths includes 1 each of the following: IDASNH-ST01 (xx" Shaft & Holder), IDAPCH-01 (8mm Punch), IDADIE-01 (8mm Die), IDAGST-01 (Gasket), IDAPLT-01 (Surface Plate) - IDASET-ST01 £1,204.50

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QLA Intrinsic Dissolution Apparatus Complete Set for Agilent 708-DS Baths includes 1 each of the following: IDASNH-70XDS (24" Shaft & Holder), IDAPCH-01 (8mm Punch), IDADIE-01 (8mm Die), IDAGST-01 (Gasket), IDAPLT-01 (Surface Plate) - IDASET-70XDS

QLA Intrinsic Dissolution Apparatus Complete Set for Agilent 708-DS Baths includes 1 each of the following: IDASNH-70XDS (24" Shaft & Holder), IDAPCH-01 (8mm Punch), IDADIE-01 (8mm Die), IDAGST-01 (Gasket), IDAPLT-01 (Surface Plate) - IDASET-70XDS £1,250.00

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QLA Intrinsic Dissolution Apparatus Complete Set for Erweka Baths includes 1 each of the following: IDASNH-EW (18" Shaft & Holder-10mm OD), IDAPCH-01 (8 mm Punch), IDADIE-01 (8mm Die), IDAGST-01 (Gasket), IDAPLT-01 (Surface Plate) - IDASET-EW

QLA Intrinsic Dissolution Apparatus Complete Set for Erweka Baths includes 1 each of the following: IDASNH-EW (18" Shaft & Holder-10mm OD), IDAPCH-01 (8 mm Punch), IDADIE-01 (8mm Die), IDAGST-01 (Gasket), IDAPLT-01 (Surface Plate) - IDASET-EW £1,204.50

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QLA Intrinsic Dissolution Apparatus Complete Set for Sotax Baths includes 1 each of the following: IDASNH-ST (10.2" Shaft & Holder), IDAPCH-01 (8mm Punch), IDADIE-01 (8mm Die), IDAGST-01 (Gasket), IDAPLT-01 (Surface Plate) - IDASET-ST

QLA Intrinsic Dissolution Apparatus Complete Set for Sotax Baths includes 1 each of the following: IDASNH-ST (10.2" Shaft & Holder), IDAPCH-01 (8mm Punch), IDADIE-01 (8mm Die), IDAGST-01 (Gasket), IDAPLT-01 (Surface Plate) - IDASET-ST £1,204.50

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QLA 24" (610mm) Intrinsic 3/8" (9.5mm) OD Shaft & Holder for Agilent, Electropolished 316 SS - IDASNH-70XDS

QLA 24" (610mm) Intrinsic 3/8" (9.5mm) OD Shaft & Holder for Agilent, Electropolished 316 SS - IDASNH-70XDS £549.00

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QLA 18" (457mm) Intrinsic 10mm OD Shaft & Holder for Erweka, Electropolished 316 SS - IDASNH-EW

QLA 18" (457mm) Intrinsic 10mm OD Shaft & Holder for Erweka, Electropolished 316 SS - IDASNH-EW £509.00

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QLA 10.2" (260mm) Intrinsic 10mm OD Shaft & Holder for Sotax, Electropolished 316 SS - IDASNH-ST

QLA 10.2" (260mm) Intrinsic 10mm OD Shaft & Holder for Sotax, Electropolished 316 SS - IDASNH-ST £509.00

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QLA 0.125 CM² Holder, Punch and Die Set, VanKel Compatible - IDA125-01 (12-4110)

0.125 CM² Holder, Punch and Die Set Varian VanKel OEM No: 12-4110 The intrinsic dissolution rate (IDR) is defined as the dissolution rate...
QLA 0.125 CM² Holder, Punch and Die Set, VanKel Compatible - IDA125-01 (12-4110)
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QLA 0.5 CM² Holder, Punch and Die Set, VanKel Compatible - IDA500-01 (12-4100)

0.125 CM² Holder, Punch and Die Set Varian VanKel OEM No: 12-4100 The intrinsic dissolution rate (IDR) is defined as the dissolution rate...
QLA 0.5 CM² Holder, Punch and Die Set, VanKel Compatible - IDA500-01 (12-4100)
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QLA Intrinsic Dissolution Die, 8 mm - IDADIE-01 (12-4120 / 95-590-204)

Intrinsic Dissolution Die, 8 mm, Hanson & VanKel Compatible 8mm Intrinsic Dissolution Die includes gasket, 316 Stainless Steel, Electropolished...
QLA Intrinsic Dissolution Die, 8 mm - IDADIE-01 (12-4120 / 95-590-204) £294.50

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QLA Gasket for Surface Plate - IDAGST-01

Gasket for Surface Plate The intrinsic dissolution rate (IDR) is defined as the dissolution rate of a pure active substance, where the conditions...
QLA Gasket for Surface Plate - IDAGST-01 £12.50

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QLA Intrinsic Punch and Handle, 8 mm - IDAPCH-01 (12-4140 / 95-590-203)

Intrinsic Punch and Handle, 8 mm,  Hanson & VanKel Compatible VanKel OEM No: 12-4140 Hanson OEM No: 95-590-203 The intrinsic dissolution...
QLA Intrinsic Punch and Handle, 8 mm - IDAPCH-01 (12-4140 / 95-590-203) £203.00

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QLA Surface Plate with Screws - IDAPLT-01 (12-4130 / 95-590-205)

Surface Plate with Screws, Hanson & VanKel Compatible VanKel OEM No: 12-4130 Hanson OEM No: 95-590-205 The intrinsic dissolution rate (IDR)...
QLA Surface Plate with Screws - IDAPLT-01 (12-4130 / 95-590-205) £294.50

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QLA Universal Intrinsic Press, 2 Ton, Hanson Compatible - IDAPRS-01 (95-590-206)

Universal Intrinsic Press, 2 Ton, Hanson Compatible Hanson OEM No: 95-590-206 Also available for other models, please s pecify dissolution...
QLA Universal Intrinsic Press, 2 Ton, Hanson Compatible - IDAPRS-01 (95-590-206)
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QLA Intrinsic Dissolution Apparatus (Complete Set), Hanson Compatible - IDASET-01 (95-590-201)

Intrinsic Dissolution Apparatus, Hanson Compatible Hanson  OEM No : 95-590-201 Also available for other models, please s pecify dissolution...
QLA Intrinsic Dissolution Apparatus (Complete Set), Hanson Compatible - IDASET-01 (95-590-201) £1,204.50

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QLA Intrinsic Dissolution Shaft and Holder - IDASNH-01 (12-4150 / 95-590-202)

Intrinsic Dissolution Shaft and Holder,  Hanson & VanKel Compatible 316 Stainless Steel Electropolished Varian VanKel OEM No: 12-4150 ...
QLA Intrinsic Dissolution Shaft and Holder - IDASNH-01 (12-4150 / 95-590-202) £509.00

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