GB/T 30014-2013Methods for chemical analysis of spent palladium-carbon - Determination of palladium - Inductively coupled plasma atomic emission spectrometry (English PDF)
废钯炭催化剂化学分析方法 钯量的测定 电感耦合等离子体原子发射光谱法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 27, 2013
Implementation date
August 1, 2014
Scope
GB/T 30014-2013 is the English-translated version of 废钯炭催化剂化学分析方法 钯量的测定 电感耦合等离子体原子发射光谱法.
GB/T 30014-2013 is the Chinese standard "Methods for chemical analysis of spent palladium-carbon - Determination of palladium - Inductively coupled plasma atomic emission spectrometry".
Its scope clause reads: This standard specifies the method for determination of activated carbon carrier palladium content of spent catalyst. This standard applies to the determination of the amount of palladium on activated carbon carrier spent catalyst.
Determination of the range of 0.10 to 6.00%. Its clauses include principle of the method; reagents and materials.
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Document preview — GB/T 30014-2013
National Standard of the People's Republic of China
- ICS
- 77.120.99
- Classification
- H 68
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 PRINCIPLE OF THE METHOD
- 4 Reagents and materials
1 Scope
This standard specifies the method for determination of activated carbon carrier palladium content of spent catalyst.
This standard applies to the determination of the amount of palladium on activated carbon carrier spent catalyst. Determination of the range of 0.10 to 6.00%.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 8170 repair value expressed about the rules and limit values and judgment
3 PRINCIPLE OF THE METHOD
The spent palladium carbon catalyst was removed by high-temperature burning method wherein the activated carbon and collecting the combustion gas containing fine particles of palladium, use of formic acid
Original palladium oxide to metal, aqua regia dissolution of palladium into the solution, inductively coupled plasma atomic emission spectrometer Determination of palladium.
4 Reagents and materials
Unless otherwise indicated in the analysis using only recognized as analytical reagents and secondary distilled water or equivalent purity.
4.1
hydrochloric acid (rho = 1.19g/mL).
4.2
nitric acid (rho = 1.42g/mL).
Acid 4.3 (rho = 1.22g/mL).
4.4
hydrochloride (11).
4.5
formic acid (199).
4.6 NaCl
(50g/L).
4.7 mixed acid
hydrochloric acid (4.1) and nitrate (4.2) by volume ratio 3.1 mix formulated with time.
4.8
porcelain boat.
4.9
palladium standard stock solution.
Weigh 1.0000g of palladium metal (mass fraction of not less than 99.99%), placed in 200mL beaker, add 40mL mixed acid (4.7),
Cover the surface of pan, over low heat until completely dissolved. Rinse the beaker and watch glass wall, adding 1mL sodium chloride solution (4.6), low temperature steam to
Wet salt form. Added 5mL hydrochloric acid (4.1), low temperature steam to the wet salt-like, repeated three times removed. Added 50mL of hydrochloric acid (4.4), low-temperature heating to
Salt dissolve completely. Moved into 1000mL volumetric flask, cooled to room temperature, diluted with water to volume, and mix. This solution containing 1mL
1000µg palladium.
4.10 Palladium standard solution
Pipette 10mL palladium standard stock solution (4.9) to 100mL volumetric flask, dilute with water to volume, and mix. this
1mL solution containing 100µg palladium.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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