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13126-12-0 Usage

Chemical Properties

solid (data sheet from a supplier

Uses

Rubidium nitrate used in infrared radiation producing pyrotechnic compositions as a colorant and an oxidizer. It is also used as a raw material for preparation of other rubidium compounds and rubidium metal, for manufacture of catalysts and in scintillation counters. It is rarely used in fireworks to produce a red-violet colour.

Flammability and Explosibility

Notclassified

Purification Methods

Crystallise the nitrate from hot water (0.25mL/g) by cooling to room temperature.

Check Digit Verification of cas no

The CAS Registry Mumber 13126-12-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,1,2 and 6 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 13126-12:
(7*1)+(6*3)+(5*1)+(4*2)+(3*6)+(2*1)+(1*2)=60
60 % 10 = 0
So 13126-12-0 is a valid CAS Registry Number.
InChI:InChI=1/NO3.Rb/c2-1(3)4;/q-1;+1

13126-12-0 Well-known Company Product Price

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  • Alfa Aesar

  • (10852)  Rubidium nitrate, Puratronic?, 99.975% (metals basis)   

  • 13126-12-0

  • 1g

  • 345.0CNY

  • Detail
  • Alfa Aesar

  • (10852)  Rubidium nitrate, Puratronic?, 99.975% (metals basis)   

  • 13126-12-0

  • 10g

  • 1731.0CNY

  • Detail
  • Alfa Aesar

  • (10852)  Rubidium nitrate, Puratronic?, 99.975% (metals basis)   

  • 13126-12-0

  • 50g

  • 8263.0CNY

  • Detail
  • Alfa Aesar

  • (12889)  Rubidium nitrate, 99.8% (metals basis)   

  • 13126-12-0

  • 1g

  • 158.0CNY

  • Detail
  • Alfa Aesar

  • (12889)  Rubidium nitrate, 99.8% (metals basis)   

  • 13126-12-0

  • 10g

  • 437.0CNY

  • Detail
  • Alfa Aesar

  • (12889)  Rubidium nitrate, 99.8% (metals basis)   

  • 13126-12-0

  • 50g

  • 2071.0CNY

  • Detail
  • Alfa Aesar

  • (12889)  Rubidium nitrate, 99.8% (metals basis)   

  • 13126-12-0

  • 250g

  • 7865.0CNY

  • Detail
  • Alfa Aesar

  • (13496)  Rubidium nitrate, 99% (metals basis)   

  • 13126-12-0

  • 25g

  • 654.0CNY

  • Detail
  • Alfa Aesar

  • (13496)  Rubidium nitrate, 99% (metals basis)   

  • 13126-12-0

  • 100g

  • 2535.0CNY

  • Detail
  • Aldrich

  • (204269)  Rubidiumnitrate  99.95% trace metals basis

  • 13126-12-0

  • 204269-1G

  • 609.57CNY

  • Detail
  • Aldrich

  • (204269)  Rubidiumnitrate  99.95% trace metals basis

  • 13126-12-0

  • 204269-10G

  • 2,686.32CNY

  • Detail
  • Aldrich

  • (289299)  Rubidiumnitrate  99.7% trace metals basis

  • 13126-12-0

  • 289299-10G

  • 460.98CNY

  • Detail

13126-12-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name Rubidium nitrate

1.2 Other means of identification

Product number -
Other names Rubidium Nitrate,Puratronic,Metals Basis)

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:13126-12-0 SDS

13126-12-0Synthetic route

barium(II) nitrate

barium(II) nitrate

rubidium sulfate

rubidium sulfate

rubidium nitrate
13126-12-0

rubidium nitrate

Conditions
ConditionsYield
In not given metathesis;;
In not given metathesis;;
rubidium carbonate

rubidium carbonate

nitric acid
7697-37-2

nitric acid

rubidium nitrate
13126-12-0

rubidium nitrate

Conditions
ConditionsYield
In nitric acid react. of Rb2CO3 with the calcd. amount of dild. HNO3;; evapn. to dryness; heating at m.p.; addn. of H2O; evapn. to dryness; drying at 110°C for 3 h;;
In nitric acid aq. HNO3; react. of Rb2CO3 with the calcd. amount of dild. HNO3;; evapn. to dryness; heating at m.p.; addn. of H2O; evapn. to dryness; drying at 110°C for 3 h;;
at 120℃;
rubidium aurate(III)

rubidium aurate(III)

A

rubidium nitrate
13126-12-0

rubidium nitrate

B

gold(III) oxide hydrate

gold(III) oxide hydrate

Conditions
ConditionsYield
With nitric acid
With HNO3
rubidium pentanitrato scandate (III)

rubidium pentanitrato scandate (III)

A

rubidium nitrate
13126-12-0

rubidium nitrate

B

scandium(III) nitrate

scandium(III) nitrate

Conditions
ConditionsYield
In neat (no solvent) thermic decomposition on heating at 220 - 240°C;; thermogravimetry and differential thermoanalysis;;
Rb(1+)*{B(NO3)4}(1-)=Rb{B(NO3)4}

Rb(1+)*{B(NO3)4}(1-)=Rb{B(NO3)4}

A

boron trioxide

boron trioxide

B

rubidium nitrate
13126-12-0

rubidium nitrate

Conditions
ConditionsYield
by heating;
With alk. or NaOH In not given byproducts: NaNO2, NaNO3, O2; producing H2O also;
3Rb(1+)*[Cu(NO3)4](2-)*NO3(1-)=Rb3[Cu(NO3)4](NO3)

3Rb(1+)*[Cu(NO3)4](2-)*NO3(1-)=Rb3[Cu(NO3)4](NO3)

A

rubidium nitrate
13126-12-0

rubidium nitrate

B

copper(II) nitrate trihydrate

copper(II) nitrate trihydrate

Conditions
ConditionsYield
In neat (no solvent) air atm.;
rubidium chloride

rubidium chloride

nitric acid
7697-37-2

nitric acid

rubidium nitrate
13126-12-0

rubidium nitrate

Conditions
ConditionsYield
In water byproducts: NOCl, Cl2, H2O; dried in air with gradual heating up to 140°C; ground; dried to const. wt. at 100°C over P2O5;
In nitric acid prepn. by crystn. from soln. of RbCl in concd. HNO3; recrystd. repeatedly; dried in desiccator (NaOH);
rubidium fluoride

rubidium fluoride

zirconyl nitrate dihydrate

zirconyl nitrate dihydrate

phosphoric acid
86119-84-8, 7664-38-2

phosphoric acid

water
7732-18-5

water

A

rubidium nitrate
13126-12-0

rubidium nitrate

B

Rb(1+)*3Zr(4+)*4F(1-)*3PO4(3-)*1.5H2O=RbZr3F4(PO4)3*1.5H2O

Rb(1+)*3Zr(4+)*4F(1-)*3PO4(3-)*1.5H2O=RbZr3F4(PO4)3*1.5H2O

Conditions
ConditionsYield
In water addn. of RbF to continuously stirred ZrO(NO3)2*2H2O soln. (5 wt% ZrO2 ininitial soln.) at room temp. with molar ratio RbF/Zr additive = 2, drop ping of concd. H3PO4 with molar ratio PO4(3-)/Zr = 1; pptn. for 7 to 45 days, filtration, washing with H2O and EtOH, drying inair;
methanol
67-56-1

methanol

rubidium nitrate
13126-12-0

rubidium nitrate

[Cu(pyrimidine-2-olate-N1,N3)2]n*nH2O

[Cu(pyrimidine-2-olate-N1,N3)2]n*nH2O

[Cu(pyrimidine-2-olate-N1,N3)2]*0.5Rb(nitrate)*methanol*water

[Cu(pyrimidine-2-olate-N1,N3)2]*0.5Rb(nitrate)*methanol*water

Conditions
ConditionsYield
In methanol; water stirring suspn. of copper compd. in 0.05 M soln. of rubidium nitrate in 4:1 mixt. of methanol and water for 1 wk at room temp.; elem. anal.;99%
rubidium nitrate
13126-12-0

rubidium nitrate

Cu(N,N'-ethylene-bis(3-methoxysalicylideneiminato))(H2O)
157143-69-6, 41754-70-5

Cu(N,N'-ethylene-bis(3-methoxysalicylideneiminato))(H2O)

C18H18N2O4(2-)*Cu(2+)*Rb(1+)*NO3(1-)

C18H18N2O4(2-)*Cu(2+)*Rb(1+)*NO3(1-)

Conditions
ConditionsYield
In ethanol; acetonitrile at 20℃; for 2h;95%
rubidium nitrate
13126-12-0

rubidium nitrate

dicalcium hydrogen triphosphate

dicalcium hydrogen triphosphate

2Ca(2+)*Rb(1+)*P3O10(5-)=Ca2RbP3O10

2Ca(2+)*Rb(1+)*P3O10(5-)=Ca2RbP3O10

Conditions
ConditionsYield
In melt byproducts: HNO3; in RbNO3 melt; elem. anal.;93.7%
In neat (no solvent) reaction in a stream of nitrogen, heating the mixt. to melt the nitrate at a rate of 1.0 K in a min., keeping at 588 K for 30 min.;
rubidium nitrate
13126-12-0

rubidium nitrate

Ni(6,6'-{[ethane-1,2-diylbis(azanylylidene)]bis(methanylylidene)}bis(2-methoxyphenolate))
41754-63-6

Ni(6,6'-{[ethane-1,2-diylbis(azanylylidene)]bis(methanylylidene)}bis(2-methoxyphenolate))

C18H18N2O4(2-)*Ni(2+)*Rb(1+)*NO3(1-)

C18H18N2O4(2-)*Ni(2+)*Rb(1+)*NO3(1-)

Conditions
ConditionsYield
In ethanol; acetonitrile at 20℃; for 2h;89%
rubidium nitrate
13126-12-0

rubidium nitrate

2,4,6-Trinitrophenol
88-89-1

2,4,6-Trinitrophenol

rubidium picrate
23296-29-9

rubidium picrate

Conditions
ConditionsYield
Stage #1: 2,4,6-Trinitrophenol With magnesium oxide In water at 69.84℃;
Stage #2: rubidium nitrate In water at 69.84℃; for 0.166667h;
86%
rubidium nitrate
13126-12-0

rubidium nitrate

styphnic acid
82-71-3

styphnic acid

Rb(1+)*C6H2N3O8(1-)

Rb(1+)*C6H2N3O8(1-)

Conditions
ConditionsYield
Stage #1: styphnic acid With magnesium oxide In water at 69.84℃;
Stage #2: rubidium nitrate With nitric acid In water at 69.84℃; for 0.166667h; pH=3 - 4;
78%
rubidium nitrate
13126-12-0

rubidium nitrate

Li2Mo3TeO12

Li2Mo3TeO12

water
7732-18-5

water

Rb4Mo6Te2O24*6H2O

Rb4Mo6Te2O24*6H2O

Conditions
ConditionsYield
at 80℃; for 24h; Kinetics; Temperature; Heating;76%
rubidium nitrate
13126-12-0

rubidium nitrate

styphnic acid
82-71-3

styphnic acid

water
7732-18-5

water

2Rb(1+)*C6HN3O8(2-)*H2O

2Rb(1+)*C6HN3O8(2-)*H2O

Conditions
ConditionsYield
Stage #1: styphnic acid; water With magnesium oxide at 69.84℃;
Stage #2: rubidium nitrate at 69.84℃; for 0.166667h;
72%
chromium(VI) oxide

chromium(VI) oxide

rubidium nitrate
13126-12-0

rubidium nitrate

uranyl nirate hexahydrate

uranyl nirate hexahydrate

Rb(1+)*UO2(2+)*CrO4(2-)*NO3(1-)=Rb[(UO2)(CrO4)(NO3)]
1384844-38-5

Rb(1+)*UO2(2+)*CrO4(2-)*NO3(1-)=Rb[(UO2)(CrO4)(NO3)]

Conditions
ConditionsYield
In neat (no solvent, solid phase) nitrates and oxide mixed in 1:1:1; mixt. loaded into Pt crucible, kept at 270°C for 10 h in air, cooled to 100°C (3°C/h), then to room tmep. (7°C/h);71%
rubidium nitrate
13126-12-0

rubidium nitrate

nickel(II) nitrate hexahydrate

nickel(II) nitrate hexahydrate

C16H15N4OP
1613248-44-4

C16H15N4OP

[{Ni4((PyNH)2P(Ph)O)8(H2O)8}⊃Rb(H2O)9]·(NO3)9·20(H2O)

[{Ni4((PyNH)2P(Ph)O)8(H2O)8}⊃Rb(H2O)9]·(NO3)9·20(H2O)

Conditions
ConditionsYield
In methanol; water70%
rubidium nitrate
13126-12-0

rubidium nitrate

cobalt(II) nitrate hexahydrate

cobalt(II) nitrate hexahydrate

C16H15N4OP
1613248-44-4

C16H15N4OP

[{Ni4((PyNH)2P(Ph)O)8(H2O)8}⊃Rb(H2O)9]·(NO3)9·27(H2O)

[{Ni4((PyNH)2P(Ph)O)8(H2O)8}⊃Rb(H2O)9]·(NO3)9·27(H2O)

Conditions
ConditionsYield
In methanol; water65%
rubidium nitrate
13126-12-0

rubidium nitrate

C36H44Au2N2O4P2S2*8H2O

C36H44Au2N2O4P2S2*8H2O

nickel(II) acetate tetrahydrate
6018-89-9

nickel(II) acetate tetrahydrate

cobalt(II) diacetate tetrahydrate
6147-53-1

cobalt(II) diacetate tetrahydrate

A

2C26H24P2*4C5H9NO2S(2-)*4Au(1+)*0.67Ni(2+)*1.33Co(3+)*2NO3(1-)*9H2O*0.67Rb(1+)

2C26H24P2*4C5H9NO2S(2-)*4Au(1+)*0.67Ni(2+)*1.33Co(3+)*2NO3(1-)*9H2O*0.67Rb(1+)

B

2C26H24P2*4C5H9NO2S(2-)*4Au(1+)*2Ni(2+)

2C26H24P2*4C5H9NO2S(2-)*4Au(1+)*2Ni(2+)

Conditions
ConditionsYield
Stage #1: C36H44Au2N2O4P2S2*8H2O; nickel(II) acetate tetrahydrate; cobalt(II) diacetate tetrahydrate With air In methanol at 20℃; for 3h;
Stage #2: rubidium nitrate In methanol; water at 20℃; for 168h;
A 65%
B 14%
rubidium nitrate
13126-12-0

rubidium nitrate

monoaluminum phosphate

monoaluminum phosphate

copper(II) oxide

copper(II) oxide

A

copper(II) orthophosphate

copper(II) orthophosphate

O4P(3-)*Al(3+)

O4P(3-)*Al(3+)

C

2O4P(3-)*Al(3+)*Rb(1+)*Cu(2+)

2O4P(3-)*Al(3+)*Rb(1+)*Cu(2+)

Conditions
ConditionsYield
With boric acid In water at 279.84℃; under 52505.3 Torr; for 432h; Autoclave;A n/a
B n/a
C 40%
rubidium nitrate
13126-12-0

rubidium nitrate

oxybis(benzoic acid)
2215-89-6

oxybis(benzoic acid)

cadmium(III) nitrate tetrahydrate

cadmium(III) nitrate tetrahydrate

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

(Me2NH2)[RbCd4(OBA)5]*H2O

(Me2NH2)[RbCd4(OBA)5]*H2O

Conditions
ConditionsYield
In methanol at 145℃; for 100h;36%
rubidium nitrate
13126-12-0

rubidium nitrate

rhodium sulfate dodecahydrate

rhodium sulfate dodecahydrate

water
7732-18-5

water

nitric acid
7697-37-2

nitric acid

H4N4O14Rh(1-)*N6O18Rh(3-)*4Rb(1+)

H4N4O14Rh(1-)*N6O18Rh(3-)*4Rb(1+)

Conditions
ConditionsYield
Stage #1: rhodium sulfate dodecahydrate; water; nitric acid at 20℃;
Stage #2: at 80℃;
Stage #3: rubidium nitrate at 120℃; for 72h; Sealed tube; High pressure;
30%
rubidium nitrate
13126-12-0

rubidium nitrate

sodium molybdate dihydrate
7631-95-0

sodium molybdate dihydrate

4-azidobenzyl phosphonic acid

4-azidobenzyl phosphonic acid

water
7732-18-5

water

C14H12Mo5N6O21P2(4-)*4Rb(1+)*8H2O

C14H12Mo5N6O21P2(4-)*4Rb(1+)*8H2O

Conditions
ConditionsYield
Stage #1: sodium molybdate dihydrate; 4-azidobenzyl phosphonic acid; water With hydrogenchloride for 0.5h; Reflux;
Stage #2: rubidium nitrate
28%
rubidium nitrate
13126-12-0

rubidium nitrate

dibenzo-18-crown-6
14187-32-7

dibenzo-18-crown-6

ammonium sulfide
12135-76-1

ammonium sulfide

1.5NH4(1+)*0.5Na(1+)*Mo2O2S2(SCH2CH2S)2(2-)=(NH4)1.5Na0.5(Mo2O2S2(SCH2CH2S)2)

1.5NH4(1+)*0.5Na(1+)*Mo2O2S2(SCH2CH2S)2(2-)=(NH4)1.5Na0.5(Mo2O2S2(SCH2CH2S)2)

silver nitrate

silver nitrate

7Rb(1+)*7(C6H4)2(OCH2CH2)4O2*2H2O*H(1+)*4Mo6Ag6O6S19C12H24(2-)*9CH3CN*0.5C6H6=C194H278Ag24Mo24N3O68Rb7S76*6CH3CN*0.5C6H6

7Rb(1+)*7(C6H4)2(OCH2CH2)4O2*2H2O*H(1+)*4Mo6Ag6O6S19C12H24(2-)*9CH3CN*0.5C6H6=C194H278Ag24Mo24N3O68Rb7S76*6CH3CN*0.5C6H6

Conditions
ConditionsYield
In methanol; water; acetonitrile addn. of a soln. of AgNO3 in acetonitrile to a soln. of molybdenum complex in acetonitrile/methanol 2:1 with stirring, addn. of aq. (NH4)2S, stirring for 1 h, addn. of RbNO3 and crown ether in acetonitrile/water 3:1,stirring for 20 min; filtration, slow evapn. at room temp., addn. of benzene, crystn. for 10 d; elem. anal.;27%
rubidium nitrate
13126-12-0

rubidium nitrate

nickel(II) nitrate hexahydrate

nickel(II) nitrate hexahydrate

Na9[A-α-PW9O34]·7H2O

Na9[A-α-PW9O34]·7H2O

C9H15NO7P2S(2-)*2Na(1+)

C9H15NO7P2S(2-)*2Na(1+)

5.5Rb(1+)*8.5Na(1+)*50H2O*[C18H36N2Ni7O88P6S2W18](14-)

5.5Rb(1+)*8.5Na(1+)*50H2O*[C18H36N2Ni7O88P6S2W18](14-)

Conditions
ConditionsYield
Stage #1: nickel(II) nitrate hexahydrate; C9H15NO7P2S(2-)*2Na(1+) With sodium hydroxide In water at 20℃; for 0.166667h; pH=5.5;
Stage #2: Na9[A-α-PW9O34]·7H2O In water at 80℃; for 1h; pH=7.5;
Stage #3: rubidium nitrate In water at 20℃; for 1h;
27%
rubidium nitrate
13126-12-0

rubidium nitrate

uranyl nirate hexahydrate

uranyl nirate hexahydrate

(1R,2R)-(-)-trans-cyclohexane-1,2-dicarboxylic acid
46022-05-3

(1R,2R)-(-)-trans-cyclohexane-1,2-dicarboxylic acid

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

[H2NMe2][(UO2)4Rb3(R-trans-1,2-cyclohexanedicarboxylate)6(H2O)1.75]*DMF

[H2NMe2][(UO2)4Rb3(R-trans-1,2-cyclohexanedicarboxylate)6(H2O)1.75]*DMF

Conditions
ConditionsYield
In water at 150℃; High pressure;24%
rubidium nitrate
13126-12-0

rubidium nitrate

vanadia

vanadia

3Rb(1+)*V5O14(3-)=Rb3V5O14

3Rb(1+)*V5O14(3-)=Rb3V5O14

Conditions
ConditionsYield
With air In neat (no solvent, solid phase) mixing N compd. and V2O5, heating to 600°C (storage for 24 h) or to 380°C (storage for 4 days, cooling, grinding, heating as before) in air; slow cooling to room temp. (6°C/h), XRD;11%
bismuth(III) nitrate

bismuth(III) nitrate

magnesium(II) nitrate
13446-18-9

magnesium(II) nitrate

chromium(III) nitrate

chromium(III) nitrate

rubidium nitrate
13126-12-0

rubidium nitrate

ammonium heptamolybdate

ammonium heptamolybdate

nitric acid
7697-37-2

nitric acid

ferric nitrate
7782-61-8

ferric nitrate

potassium nitrate

potassium nitrate

cobalt(II) nitrate

cobalt(II) nitrate

cerous nitrate

cerous nitrate

nickel(II) nitrate

nickel(II) nitrate

catalyst; Mo12Bi0.5Fe2Ce0.5Cr0.4Ni4Mg1.5Co1K0.07Rb0.06Ox(SiO2)42

catalyst; Mo12Bi0.5Fe2Ce0.5Cr0.4Ni4Mg1.5Co1K0.07Rb0.06Ox(SiO2)42

Conditions
ConditionsYield
In water at 250 - 590℃; for 7h;
rubidium nitrate
13126-12-0

rubidium nitrate

A

iron(III) oxide

iron(III) oxide

B

nitrogen
7727-37-9

nitrogen

C

rubidium

rubidium

Conditions
ConditionsYield
In neat (no solvent) reaction under reduced pressure, no quantitative reaction;;
niobium(V) oxide

niobium(V) oxide

rubidium nitrate
13126-12-0

rubidium nitrate

uranyl nirate hexahydrate

uranyl nirate hexahydrate

rubidium uranoniobate

rubidium uranoniobate

Conditions
ConditionsYield
In solid mixt. (Rb:Nb:U=1.1:1:1) heating in O2 at 1150°C for 4 h; XRD;
niobium(V) oxide

niobium(V) oxide

rubidium nitrate
13126-12-0

rubidium nitrate

titanium(IV) oxide

titanium(IV) oxide

RbTi2NbO7

RbTi2NbO7

Conditions
ConditionsYield
mixt. heating slowly from 400 to 750°C, firing (950°C, platinum crucible), annealing (1000-1200,degree.C, 1-24 h);0%
tantalum(V) oxide

tantalum(V) oxide

rubidium nitrate
13126-12-0

rubidium nitrate

titanium(IV) oxide

titanium(IV) oxide

RbTi2TaO7

RbTi2TaO7

Conditions
ConditionsYield
mixt. heating slowly from 400 to 750°C, firing (950°C, platinum crucible), annealing (1000-1200,degree.C, 1-24 h);0%
rubidium nitrate
13126-12-0

rubidium nitrate

phosphoryl(V)-thiocyanate
57514-99-5

phosphoryl(V)-thiocyanate

Conditions
ConditionsYield
In benzene react. in dry benzene;;
In benzene react. in dry benzene;;
rubidium nitrate
13126-12-0

rubidium nitrate

A

rubidium chloride

rubidium chloride

B

phosphorus pentoxide

phosphorus pentoxide

Conditions
ConditionsYield
In not given react. of nitrate with POCl3 forming P2O5, metal chloride and other products; constant ratio metal chloride:P2O5 for corresponding nitrate;;
In not given react. of nitrate with POCl3 forming P2O5, metal chloride and other products; constant ratio metal chloride:P2O5 for corresponding nitrate;;

13126-12-0Relevant articles and documents

Room temperature reaction between uranyl nitrate hexahydrate and rubidium nitrate and polymerisation during denitration of rubidium uranyl nitrate at elevated temperatures

Kalekar, Bhupesh B.,Rajagopalan,Ravindran

, p. 21 - 26 (2010)

The interaction between uranyl nitrate hexahydrate (UNH) and rubidium nitrate in solid state at elevated temperatures has been studied for several compositions using simultaneous thermal analysis techniques (TG-DTA-EGA), X-ray diffraction and IR spectral measurements. The formation of rubidium uranyl nitrate has been observed in rubidium nitrate rich mixtures even at ambient temperature during mixing of the two nitrates in solid state. The reaction at room temperature was incomplete in mixtures containing higher than 30 mol% uranyl nitrate hexahydrate. Thermal and XRD data on equimolar mixture indicate complete dehydration of uranyl nitrate hexahydrate by 300 °C to form rubidium uranyl nitrate, Rb[UO2(NO3)3], which decomposes on further heating to the polymerised structures, Rb 2[(UO2NO3)2(O)2] and Rb4[(UO2)3(O)4(NO3) 2] above 360 °C and 460 °C, respectively. Rb 4[(UO2)3(O)4(NO3) 2] reacts with UO3 above 550 °C to form rubidium diuranate, Rb2U2O7, when the initial nitrate mixture is prepared from compositions containing UNH at 50 mol% or lower levels. In the case of initial nitrate mixtures containing a higher amount of UNH, however, Rb2U4O13 and U3O 8 are formed above 550 °C.

Synthesis of rubidium fluorophosphatozirconates in the ZrO 2-H3PO4-RbF-H2O system and their luminescent properties

Godneva,Motov,Boroznovskaya,Kuznetsov

, p. 1844 - 1849 (2010)

Rubidium fluorophosphatozirconates (RFPZs) were synthesized along sections of the ZrO2-H3PO4-RbF-H2O system where PO 4 3- /Zr = 1-2 (mol/mol) and RbF/Zr = 1-5 (mol/mol) and the initial solution contains 2-5 wt % ZrO2. The following RFPZs have been isolated for the first time: RbZrF2PO 4 ? 0.5H2O, Rb3H3Zr 3F3(PO4)5, and RbZr 3F4(PO4)3 ? 1.5H2O. Their formation fields were determined. The compounds were characterized using powder X-ray diffraction, crystal-optical analysis, chemical analysis, electron probe microanalysis, thermal analysis, and IR spectroscopy. Luminescent properties of the compounds were measured. All RFPZs are orthophosphates, have high thermal durability, and X-ray luminescence (XRL). Rb3H 3Zr3F3(PO4)5 has the highest XRL intensity.

Synthesis and crystal structure of alkali metal and ammonium nitratocuprates(II): M3[Cu(NO3)4](NO3) (M = K, NH4, Rb) and Cs2[Cu(NO3)4]

Morozov,Fedorova,Troyanov

, p. 1543 - 1547 (2008/10/09)

Blue crystals of metal nitratocuprates(II), M3[Cu(NO3)4](NO3) (M = K (I), NH4 (II), Rb (III)) and Cs2[Cu(NO3)4] (IV) were synthesized from Cu(NO3)2 · 3 H2O and MNO3 by heating at 100-140°C during 3-12 h. X-ray single crystal structures for isotypic I and II reveal the presence of the [Cu(NO3)4]2- and NO3- anions and M+ cations. Structure IV contains [Cu(NO3)4]2- and Cs+. In structures I, II, and IV, Cu atoms have a square-planar coordination [CuO4] with short Cu-O distances of 1.92-2.00 A?, the oxygen atoms belonging to four different NO3 groups. Each coordinated NO3 group is a nonsymmetrical bidentate ligand with the second, longer Cu-O distance from 2.38 to 2.74 A?. Rubidium derivative III was shown to be isotypic to I on the basis of unit cell dimensions and symmetry. Eight-coordinate metal(II) environment in tetranitrates is compared for transition metals with different electronic configurations.

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