Dung dịch chuẩn 667.035

Hãng sản xuất: HELLMA

Rare Earth liquid filter (201- 252 nm)

The rare earth liquid filter consists of a solution of rare earth metals dissolved in perchloric acid.

 

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Rare Earth liquid filter (201- 252 nm)

The rare earth liquid filter consists of a solution of rare earth metals dissolved in perchloric acid. This filter is ideally suited for checking the wavelength accuracy of spectrophotometers in the low UV range. It has a spectrum with five characteristic peaks in the range from 201 nm to 252 nm.

Typical spectrum of a Rare Earth filter, measured at a slit width of 1 nm

ARTICLE-NO. 667035   
APPLICATION Checking wavelength accuray in the UV-range
CONTENT Rare earth in perchloric acid
STANDARD CERTIFICATION Wavelengths: 201, 211, 222, 239, 252 nm
Slit width: 1 nm; with DAkkS calibration certificate
POSSIBLE CERTIFICATION Wavelengths: no other wavelengths possible
Slit width: all up to 2 nm
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