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Merck
CN

76040

Palladium Matrix Modifier

Synonym(s):

Palladium(II) nitrate – nitric acid solution, Palladium modifier

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About This Item

CAS Number:
UNSPSC Code:
23151817
eCl@ss:
38191001
PubChem Substance ID:
NACRES:
NA.21
MDL number:
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SMILES string

[Pd].O[N+]([O-])=O

InChI

1S/HNO3.Pd/c2-1(3)4;/h(H,2,3,4);

InChI key

UVCRDXRRYBAMHB-UHFFFAOYSA-N

form

liquid

mol wt

Mr 230.41 g/mol

reaction suitability

reagent type: catalyst
core: palladium

concentration

10.0 g/L±0.3 g/L Pd

cation traces

Ag: ≤0.1 mg/kg, As: ≤0.01 mg/kg, Cd: ≤0.001 mg/kg, Pb: ≤0.01 mg/kg, Se: ≤0.1 mg/kg, Tl: ≤0.02 mg/kg

Quality Level

Application

Palladium matrix modifier may be used in determination of total arsenic by in situ oxidation of diluted urine using graphite furnace atomic absorption spectrophotometer.

General description

Matrix modifier in general, is a buffer that is similar to the chemical environment of aqueous standards and samples. It can also make analyte more thermally stable salts, oxides or metal compounds. It also reduces the volatility of analyte.

Other Notes

Pd(NO3)2.2H2O in 13-20% nitric acid

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 1 - Skin Corr. 1B

supp_hazards

Storage Class

5.1A - Strongly oxidizing hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


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Lauri H. J. Lajunen, P. Peramaki
Spectrochemical Analysis by Atomic Absorption and Emission, 143 -143 (2004)
D E Nixon et al.
Clinical chemistry, 37(9), 1575-1579 (1991-09-01)
We evaluated the effectiveness of nickel and palladium with or without added potassium persulfate as matrix modifiers for the determination of total arsenic in urine. Complete recovery of pure aqueous solutions of As(III), As(V), cacodylic acid (DMA), monomethylarsinic acid (MMA)

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