S
di-Sodium hydrogen phosphate
di-Sodium hydrogen phosphate dihydrate
AnalaR NORMAPUR analytical reagent
(sodium phosphate dibasic)
CAS [10028-24-7]
HNa‚O„P. 2H‚O
M.W. 177,99
EINECS 231-448-7
Na‚HPO„.2H‚O
Assay ...........................................................................................................99,5 % min.
Identity ..........................................................................................................passes test
pH (c = 5%, H2O) ............................................................................................9,0 to 9,2
Solution in water ...........................................................................................passes test
Maximum mg/kg (ppm) impurity:
Chloride (Cl) ...........................................10 Fe (Iron) ..............................................10
Heavy metals (as Pb) .............................10 K (Potassium) ......................................50
Sulphates (SO4) .....................................50 Total N (Nitrogen) ................................10
As (Arsenic) ..........................................0,5 Pb (Lead) ............................................10
Cu (Copper) .............................................3
Reagent conforms to BDH 10383
Cat. No.
28029.235
28029.260
28029.292
28029.320
28029.460
Pack
250 g
500 g
1 kg
2.5 kg
25 kg
Pack type
PB
PB
PB
PB
DP
di-Sodium hydrogen phosphate dihydrate GPR
RECTAPUR
CAS [10028-24-7]
HNa‚O„P. 2H‚O
M.W. 177,99
EINECS 231-448-7
Na‚HPO„.2H‚O
Assay ..............................................................................................................99 % min.
Maximum % impurity :
Chloride (Cl) ............................................................................................................0,02
Sulphates (SO4) .......................................................................................................0,05
Maximum mg/kg (ppm) impurity :
Heavy metals (as Pb) .................................................................................................10
As (Arsenic) ..................................................................................................................2
Fe (Iron) ......................................................................................................................50
Cat. No.
28040.291
Pack
1 kg
Pack type
PB
di-Sodium hydrogen orthophosphate
dihydrate GPR RECTAPUR
(Sorensen's salt )
CAS [10028-24-7]
HNa‚O„P. 2H‚O
M.W. 177,99
EINECS 231-448-7
Na‚HPO„,2H‚O
Assay (acidimetric) ................................................................................98,5 to 101,0 %
pH (c = 5%, H2O) ............................................................................................9,0 to 9,2
Maximum % impurity :
Chloride (Cl) ..........................................................................................................0,005
Heavy metals (as Pb) ............................................................................................0,001
Sulphates (SO4) .......................................................................................................0,02
Fe (Iron) .................................................................................................................0,001
Cat. No.
301574J
301575K
Pack
500 g
1 kg
Pack type
PB
PB
di-Sodium hydrogen phosphate
dodecahydrate AnalaR NORMAPUR analytical
reagent
(Sodium phosphate dibasic, Sodium
monohydrogen phosphate)
CAS [10039-32-4]
HNa‚O„P. 12H‚O
M.W. 358,14
d. 1,52
EINECS 231-448-7
Na‚HPO„.12H‚O
ISO Reagent
Melting Pt 35°C
Assay .....................................................................................................99,0 to 101,0 %
pH (c = 5%, H2O) ............................................................................................9,0 to 9,4
Maximum mg/kg (ppm) impurity:
Chloride (Cl) .............................................5 Cu (Copper) ..........................................1
Heavy metals (as Pb) ...............................5 Fe (Iron) ................................................5
Sulphates (SO4) .....................................50 K (Potassium) ....................................100
Water-insoluble matter ...........................50 Total N (Nitrogen) ................................10
As (Arsenic) ..........................................0,5 Pb (Lead) ..............................................1
Cd (Cadmium) .......................................0,5 Zn (Zinc) ................................................1
Cat. No.
28028.232
28028.260
28028.298
28028.367
Pack
250 g
500 g
1 kg
5 kg
Pack type
PB
PB
PB
PB
di-Sodium hydrogen phosphate
dodecahydrate gen-apex for molecular biology
(Sodium phosphate dibasic, Sodium
monohydrogen phosphate)
CAS [10039-32-4]
HNa‚O„P. 12H‚O
M.W. 358,14
EINECS 231-448-7
Na‚HPO„. 12H‚O
d. 1,52
Melting Pt 35°C
Assay ..............................................................................................................99 % min.
Colouration (c = 0.1 mol/l, H2O) ..............................................................10 APHA max.
Maximum mg/kg (ppm) impurity :
Heavy metals (as Pb) ...................................................................................................5
Transmission characterics :
Ultraviolet : (1cm quartz cells vs distilled water)
Wavelength
in nm
230
260
280
320
Cat. No.
33617.265
Pack
500 g
Transmission
% min.
90
95
97
99
Pack type
PB
di-Sodium hydrogen orthophosphate
12-hydrate GPR RECTAPUR
CAS [10039-32-4]
HNa‚O„P. 12H‚O
M.W. 358,14
EINECS 231-448-7
Assay (acidimetric; on dried substance) ................................................98,5 to 101,0 %
Identity .........................................................................................................Passes test
Appearance of the solution ..........................................................................Passes test
Loss on drying (130°C) ...........................................................................57,0 to 61,0 %
pH (c = 5%, H2O) ............................................................................................9,0 to 9,3
Substances reducing permanganate KMnO4 ...............................................Passes test
Water .......................................................................................................57,0 to 61,0 %
Maximum % impurity:
Sodium dihydrogen phosphate (NaH2PO4) ...............................................................0,8
Chloride (Cl) ......................................0,001 As (Arsenic) ..................................0,0001
Heavy metals (as Pb) ........................0,001 Fe (Iron) .........................................0,001
Sulphates (SO4) ..................................0,01
Cat. No.
301565Y
Pack
1 kg
Pack type
PB
407