Liquid Filters

for spectrophotometers

 


With the accreditation according to DIN EN ISO 17025, Hellma GmbH & Co KG has the only accredited calibration laboratory in Germany that produces and certifies liquid and glass filters made for testing spectrophotometers. Thus users ensure the traceability of their calibrations carried out to references of the NIST, by which an international comparability of measurement results is assured. As a result, procedures in laboratories gain greater transparency and improved protection of the measurement results.

 

 

Type: 667.003-UV

Order Number: 667-003-UV-40

Usage

Consisting
of

Content

Wavelength
nm

Checking the
photometer
according to
Pharm. Eur.

667.100-UV
667.200-UV
667.305-UV
667-UV5

Potassium Chloride + blank
Toluene in Hexane + blank
Potassium Dichromate in HClO4 + blank
Holmium Perchlorate in Perchloric Acid

198, 200 (certified)
266, 269
235, 257, 313, 350, 430
241.15; 287.15; 361.5; 536.3

 

 

Available individually

Complete Set 667.003-UV

667.100-UV

667.200-UV

667.305-UV

667.100-UV
667-UV 1
667-UV 12
667-UV 12
667-UV 6
667-UV 6
667-UV 9
667-UV 9
667-UV 60
667-UV 60
667-UV 600
667-UV 600
667-UV 14
667-UV 14
667-UV 5
667-UV 5

 

 


Type
Order
Number
Usage
Consisting
of
Content
Wavelength
nm
667.100-UV
 
667-100-UV-40
Set to check for stray light
according to Pharm. Eur.
667-UV1
667-UV12
Potassium Chloride
Ultrapure Water (blank)
200 (Cut-Off)
198, 200 (certified)
           
           
667.200-UV
667-200-UV-40
Set to check spectral resolution
according to Pharm.Eur.
667-UV6
667-UV9
Toluene in n-Hexane
n-Hexane (blank)
266, 269
           
           
667.305-UV
667-305-UV-40
Set to check photometric
accuracy according
to Pharm. Eur.
667-UV60
667-UV600
667-UV14
60 mg Potassium Dichromate in HClO4
600 mg Potassium Dichromate in HClO4
Perchloric Acid (blank)
235, 257, 313, 350
430
           
           
667-UV5
667-005-UV-40
Filter to check the wavelength
accuracy
according
to Pharm. Eur.
667-UV5
Holmium Perchlorate
in Perchloric Acid
241.15; 287.15;
361.5; 536.3
           
           
667.101-UV
667-101-UV-40
Set to check for stray light
667-UV10
667-UV12
Sodium Iodide
Ultrapure Water (blank)
259 (Cut-Off)
220 (certified)
           
           
667.102-UV
667-102-UV-40
Set to check for stray light
667-UV11
667-UV12
Sodium Nitrite
Ultrapure Water (blank)
385 (Cut-Off)
340, 370 (certified)
           
           
667.400-UV
667-400-UV-40
Set to check the wavelength
accuracy
667-UV5
667-UV14
Holmium Perchlorate in Perchloric Acid
Perchloric Acid (blank)
241.15; 287.15;
361.5; 536.3
           
           
667.301-UV
667-301-UV-40
Set to check photometric
accuracy
667-UV60
667-UV14
60 mg Potassium Dichromate in HClO4
Perchloric Acid (blank)
235 nm; 257 nm;
313 nm; 350 nm
           
           
667.307-UV
667-307-UV-40
Set to check the linearity
of absorption
667-UV20
667-UV40
667-UV60
667-UV80
667-UV100
667-UV14
20 mg Potassium Dichromate in HClO4*
40 mg Potassium Dichromate in HClO4*
60 mg Potassium Dichromate in HClO4*
80 mg Potassium Dichromate in HClO4*
100 mg Potassium Dichromate in HClO4*
Perchloric Acid (blank)
235 nm; 257 nm;
313 nm; 350 nm
 

Complete Set 667.003-UV
Outside dimensions: H x W x D: 48 mm x 12,5 mm x 12,5 mm
* in Perchloric Acid


 

 

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