8-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of
The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 30, 2009

Dionex Corporation
(Exact name of registrant as specified in its charter)

Delaware	000-11250	94-2647429
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

1228 Titan Way
Sunnyvale, CA, 94088
(Address of principal executive offices, Zip Code)

(408) 737-0700
Registrant's telephone number, including area code

Not Applicable
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
	[   ]	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
	[   ]	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
	[   ]	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
	[   ]	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01. Other Events.

Dionex Corporation announced in a press release dated September 30, 2009, which is attached hereto as Exhibit 99.1 and incorporated by reference herein, that it has completed the purchase of certain assets from ESA Biosciences including HPLC products, HPLC clinical assays, laboratory services and related assets.

Item 9.01. Financial Statements and Exhibits.

Exhibit No.	Description
99.1	Press Release of Dionex Corporation dated September 30, 2009.

SIGNATURES

    Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: September 30, 2009	Dionex Corporation
	By:	/s/   CRAIG A. MCCOLLAM Craig A. McCollam Executive Vice President and Chief Financial Officer

EXHIBIT INDEX

Exhibit No.	Description
99.1	Press Release of Dionex Corporation dated September 30, 2009.

EX-99.1

EXHIBIT 99.1

Dionex Completes the Acquisition of the Assets of ESA Life Sciences Tools Business Unit

SUNNYVALE, Calif., Sept. 30, 2009 (GLOBE NEWSWIRE) -- Dionex Corporation (Nasdaq:DNEX), announced that it completed the acquisition of HPLC products, HPLC clinical assays, laboratory services and related assets from ESA Biosciences pursuant to the purchase agreement signed on September 15, 2009.

Dionex is a leading manufacturer and marketer of ion chromatography, HPLC and sample preparation systems, accessories and consumables, and software products for chemical and life sciences applications. Dionex is the only separations science company that provides application solutions ranging from the identification and measurement of inorganic and organic ions, small organic molecules, as well as large biomolecules. The company's systems are used worldwide in environmental analysis, life science and pharmaceutical research and development, as well as in chemical, food and beverage manufacturing, and other industries. Our expertise in system and application solutions helps analytical scientists evaluate and develop pharmaceuticals, establish environmental regulations, and produce better and safer industrial products.

ESA Biosciences is ISO certified and FDA registered and designs and manufactures a full range of specialty detectors, reagents, and total solutions to achieve maximum performance. Whether sensitive, specific detection or universal detection is needed, ESA offers expert chemistry, applications, and service support backed by decades of experience. The products can be found in virtually every type of neuroscience, clinical diagnostic, biomedical research, and industrial laboratory worldwide -- from pharmaceutical research and quality control, to food and beverage, and scientific discovery. Through its subsidiary, ESA Laboratories, Inc., the company also provides a range of analytical services ranging from industrial hygiene and clinical diagnostic analysis to metabolomics profiling.

CONTACT: Dionex Corporation
         Craig McCollam
         (408) 481-4107