Chemical titration (newly added: complete blank), drying, precipitation analysis calculation, conductivity titration (automatically drawing lines, calculating the amount of standard solution and the concentration and content of the measured solution. There are demonstration examples), PH calculation of various solutions, molecular weight calculation ( Newly added: compound chemical formula, such as CuSO4 · 5H2O, CuSO4 & 5H2O, single bond, double bond, triple bond, etc., such as CH2 = CH2), number of elements, percentage, equation balance, material balance, Ksp calculation, data statistics Analysis, Q test method, Grubbs method, spectrophotometric analysis (regression equation, correlation coefficient, storage and recall of standard curve, query concentration), calculation of liquid and solid prepared solutions, conversion of solution concentration units, and setting of background color , Self-built titration analysis items, calculation coefficients and related calculations, EDTA complex curve (acid effect coefficient curve, acid effect curve, know the complex constant and check the minimum PH, etc.).
use 33G 0.2mm diameter new technology for the new generation roller, micro needling roller, derma roller, derma roller system, 192 titanium roller, 540 derma roller, eye roller, lip roller ,body roller, Derma Roller Kit
micro needling roller, derma roller, derma roller system, 192 titanium roller, 540 derma roller, eye roller, lip roller
Guangzhou Vantee Electronic Technology Co., Ltd. , https://www.finerroller.com