• HELLMA|Liquid filter set

HELLMA|Liquid filter set

Model : 667-UV20、667-UV40、667-UV60、667-UV80

Item

Consisting of

Wavelength (nm)

Note

667.305-UV

667-UV60
0.006% K2Cr2O7 in perchloric acid

235, 257, 313,350, 430

also a

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