GB/T 40998-2021 《Determination of hydroxypropyl content in modified starch—Spectrophotometric method》 Related products

Light spectrum Bandwidth 4nm, using touch screen, with imported photoelectric converter, with photometric, quantitative, standard Linear dispersion and other functions, can automatically correct wavelength error.

Dual channel proportional value display, knob operation, pre-selected flame size, with flameout protection device

Wavelength range: 180~910nm, sample volume requirements: 0.5μL~ 2μL, recommended 2μL, Light source/life: Light source/life, Optical path: 0.05mm, 0.2mm, 1mm

Dual channel, potassium, sodium concentration direct reading, menu keyboard operation, correlation coefficient automatic calculation, can be equipped with printer, computer, flame size pre-selected, with flameout protection device

Dual-channel proportional value display, reading can display decimal point, knob operation, flame size is pre-selected, with flameout protection device

Test sodium and calcium elements, the range is 0.0~200.0mmol/L and 0~25mmol/L respectively, with dual-channel digital display, fast and reliable ignition, multi-element detection, accurate and stable, small sample size, convenient use, safe and reliable, etc..

Using Czerny-Turner optical path to ensure linear Precision and ultra-low stray light, Light spectrum Bandwidth 4.0nm, Wavelength Precision +/- 1.0nm, spacious sample chamber can accommodate 5~ 100mm Colorimetric dish, support Automatic calibration and Data storage.

Test potassium, sodium, lithium, calcium, barium five elements, with a unique ignition gas path, dual-channel LED display, with flameout protection function.