I think it is same as GR (guaranted reagent) reagent.
what is the chemical composition ec grade copper which is 99.97 pure
If you are referring to chemical purity by grade, I suggest you research the following terms: ACS Grade (American Chemical Society) - highest level of purity Reagent grade - Almost as stringent as ACS USP Grade - Equivalent to ACS for many drugs NF Grade (National Formulary) - Equivalent to ACS for many drugs Laboratory Grade Purified Grade Technical Grade
Nature of reactants refers to chemical identities of the reactants.
It's ability to react in chemical meaning. Gold and silver don't react naturally so the don't got 'chemical nature'. But this which react got 'chemical nature'
SAJ is a short way of saying Smoke A Joint. This slang is said on an everyday basis by JO, The Beast, Tony and din din. This is not a chemical these are herbs.
NF grade is a substance which meets the National Formulary in USA.
what is the chemical composition ec grade copper which is 99.97 pure
meaning of chemical
If you are referring to chemical purity by grade, I suggest you research the following terms: ACS Grade (American Chemical Society) - highest level of purity Reagent grade - Almost as stringent as ACS USP Grade - Equivalent to ACS for many drugs NF Grade (National Formulary) - Equivalent to ACS for many drugs Laboratory Grade Purified Grade Technical Grade
Chemotherapy is the medical term meaning chemical treatment.
NO is the chemical formula of nitric oxide.
yourself im a grade 5er
A grade horse is a horse without paper. Not registered.
A2
Aa
Nature of reactants refers to chemical identities of the reactants.
33 grade, 43 grade and the 53 grade cement (In India)