
HR2-250-**** = Refers to the reagent number in the kit.For example, reagent number 1 = HR2-250-01
Glycine Synonym: Synonym: Aminoacetic acid, Aminoethanoic acid, Glycocoll Mr 75.07 NH2CH2COOH CAS Number 56-40-6 EC Number 200-272-2 Beilstein Registry Number 635782 MDL number MFCD00008131 PubChem Substance ID 24873323 Purity >99.0% Loss =0.05% loss on drying, 20°C Melting point 240°C
Anion traces chloride (Cl-): =50 mg/kg sulfate (SO42-): =50 mg/kg
Cation traces Al: <5 mg/kg As: <0.1 mg/kg Ba: <5 mg/kg Bi: <5 mg/kg Ca: <10 mg/kg Cd: <5 mg/kg Co: <5 mg/kg Cr: <5 mg/kg Cu: <5 mg/kg Fe: <5 mg/kg K: <50 mg/kg Li: <5 mg/kg Mg: <5 mg/kg Mn: <5 mg/kg Mo: <5 mg/kg NH4+: <200 mg/kg Na: <50 mg/kg Ni: <5 mg/kg Pb: <5 mg/kg Sr: =5 mg/kg
UV Absorption for 1.0 M solution ?: 260 nm Amax: 0.01 ?: 280 nm Amax: 0.01 pKa1 2.3 pKa2 9.6
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通过解答,教会我,谢谢
A、Na2CO3HClH2SO4NaNO3
B、K2CO3H2SO4HNO3BaCl2
C、HClHNO3AgNO3NaCl
D、NaOHFeCl3MgCl2BaCl2
A.H2SO4Na2SO4AgNO3BaCl2.
B.NaOHNa2CO3NaHSO4MgCl2
C.CaCl2NaNO3MgSO4BaCl2
D.HNO3KOHKClK2CO3
2.NaNO3FeCl3AgNO3
分别有什么现象?谢谢回答!
C.MgCl2溶液和氨水D.盐酸和NaAlO2溶液
为什么

