Chemical
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2021-12-15App description PH value, also known as hydrogen ion concentration index and acid-base value, is a scale of hydrogen ion activity ...
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2021-12-15Pump oil pump power and shaft power online calculator q - flow rate (m3/h) ρ - fluid density (kg/m3) g - gravity acceleration grav...
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2021-12-15App description Common chemical element molecular weight calculator, molecular weight calculation of chemical elements Usage examp... -
2021-12-15App description Instructions for use: Enter a commonly written chemical formula, as shown in the following example: H2O Na2SO4 Ca...
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2021-12-15App description Atomic mass is divided into absolute atomic mass and relative atomic mass. Absolute mass refers to the actual mass...
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2021-12-15App description Acid-base pH online estimation tool (gravimetric method) Gravimetric method: If chemical body, input chemical weig...
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2021-12-151) Select the molecular type DSDNA; ssDNA RNA olig 2) Enter kilobase (kb): 3) Enter MW of kDa (ie Kb or g/mol/1000):...
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2021-12-15App description Acid weight formula: \( Ew = Mw/B\) Usage example Acid molecular weight (Mw)： 25 Alkalinity acidity (B)： 10 Click ... -
2021-12-15App description \(V1 × M1 = V2 × M2\) V =V2 -V1 V1 = volume before dilution Volume Before Dilution V2 = volume after dilution Volu... -
2021-12-15App description Formula: Hydrogen ion concentration nmol = [H+] = 24 * (PaCO2/HCO3) PaCO2= CO2 arterial partial pressure HCO3 - is...
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