How to analyse the crystallinity of nano-inorganic crystals from Raman spectrum ?

I get some Raman spectrums of nano ZrO2 powders, but their peak value and peak width are different. Can I analyse their crystallinity like XRD? If so, how to do? Thanks very much!

20 May 2020 1,706 6 View

HPLC-ICP and Uv-Vis?

I want to detect arsenate concentration in a sample of groundwater. I will be modifying my HPLC instrument to be able to run an ion-exchange chromatography. However, the HPLC machine's detector...

10 May 2019 7,953 3 View

By which mechanism does potassium hyrdoxide works as an activator in the preparation of activated carbon?

Activated carbon is prepared from biomass using KOH as the activating agent. What is the possible reaction between KOH and the biomass?

14 February 2021 8,095 4 View

How does a pH 13 buffer solution containing NaOH/KCl work?

pH 13 Buffer solution is prepared from a strong base sodium hydroxide and potassium chloride salt. However a buffer contain a weak base or weak acid with their salts. What is the purpose of the...

26 January 2021 9,154 1 View

Does anyone know the pH-differential method?

I use the water method to extract the anthocyanidin from Peristrophe bivalvis (L.) Merr leave, then dilute 20 times with 0.025M potassium chloride, pH1.0 and 0.4M sodium acetate buffer, pH4.5...

20 January 2021 8,305 4 View

How we can isolated MnO2 from solid organic product ?

The compound 1,4-dihydro pyridine oxidized in the presence of potassium permanganate and microwave. After oxidation, the organic product and manganese dioxide are formed, and the two substances...

09 January 2021 5,358 4 View

What is the Role of temperature In Hummers method for the preparation of graphene oxide?

04 January 2021 5,033 2 View

Can one eat Muriate of Potash Fertilizer?

What is edibility safety of fertilizer-grade Muriate of potash? Muriate of Potash (MOP) is essentially KCl with often red rust from iron oxides. In order to balance excess Na and deficit K...

25 December 2020 6,179 6 View

Acesulfame Potassium and Acesulfame and Conversion?

Dear to whom it may concern, Based on ChemAxon, I calculated pKa values of Acesulfame as follows: 1. pKa (Strongest Acidic): 3.02 2. pKa (Strongest Basic): -6 Because I would like to convert...

25 November 2020 4,577 3 View

Potassium formate/water or potassium formate+LiBr/Water are not available in the commercial sector for absorption refrigeration systems?

Although there are already studies in the literature but not much , the use of potassium formate/water or potassium formate+LiBr/Water are not available in the commercial sector for absorption...

16 November 2020 2,917 2 View

Separation of chloride ions in solution ?

The fluorination was reacted in a carbonate solvent. The by-products were potassium chloride, sodium chloride or lithium chloride. The by-products were removed by filtration. However, it is still...

29 October 2020 2,670 3 View

Buffer solution 13 is prepared from a strong base sodium hydroxide and potassium chloride salt ..???

Buffer solution 13 is prepared from a strong base sodium hydroxide and potassium chloride salt .. While the definition of buffer is contain from weak base or weak acid with their salts .. So why...

03 September 2020 7,802 7 View