GB/T 30376-2013Determination of Iron,Manganese,Copper,Zinc,Calcium,Magnesium,Potassium,Sodium,Phosphorus,Sulfur in Tea - Inductively coupled plasma atomic emission spectrometry (English PDF)
茶叶中铁、锰、铜、锌、钙、镁、钾、钠、磷、硫的测定-电感耦合等离子体原子发射光谱法
This is a limited preview
Buy now to download the full PDF (15 pages)
Need quotation for your management?
Get a formal quotation for GB/T 30376-2013 in 30 minutes.
Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 31, 2013
Implementation date
June 22, 2014
Scope
GB/T 30376-2013 is the English-translated version of 茶叶中铁、锰、铜、锌、钙、镁、钾、钠、磷、硫的测定-电感耦合等离子体原子发射光谱法.
GB/T 30376-2013 is the Chinese standard "Determination of Iron,Manganese,Copper,Zinc,Calcium,Magnesium,Potassium,Sodium,Phosphorus,Sulfur in Tea - Inductively coupled plasma atomic emission spectrometry".
Its scope clause reads: This standard specifies the tea iron (Fe), manganese (Mn), copper (Cu), zinc (Zn), calcium (Ca), magnesium (Mg), potassium (K), sodium (Na), phosphorus (P), Principle of sulfur (S), inductively coupled plasma atomic emission spectrometry (ICP-AES) assay, reagents, instruments and equipment, sample preparation, determination, Results calculated precision.
This standard applies to tea, iron, manganese, copper, zinc, calcium, magnesium, potassium, sodium, phosphorus, sulfur determination. Each element of the method detection limits specified in Table 1.
Table 1 inductively coupled plasma atomic emission spectrometry with a detection limit unit micrograms per kilogram Elements Fe Mn Cu Zn Ca Mg PSK Na Microwave Digestion 916,422,219,292,511 Wet digestion 1,137,621,422,313,215. Its clauses include reagents.
Found what you need?
Document preview — GB/T 30376-2013
National Standard of the People's Republic of China
- ICS
- 67.140.10
- Classification
- X 55
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 4 Reagents
- 4.1 Requirements
- 4.2 Reagent Preparation
1 Scope
This standard specifies the tea iron (Fe), manganese (Mn), copper (Cu), zinc (Zn), calcium (Ca), magnesium (Mg), potassium (K), sodium (Na), phosphorus (P),
Principle of sulfur (S), inductively coupled plasma atomic emission spectrometry (ICP-AES) assay, reagents, instruments and equipment, sample preparation, determination,
Results calculated precision.
This standard applies to tea, iron, manganese, copper, zinc, calcium, magnesium, potassium, sodium, phosphorus, sulfur determination.
Each element of the method detection limits specified in Table 1.
Table 1 inductively coupled plasma atomic emission spectrometry with a detection limit unit micrograms per kilogram
Elements Fe Mn Cu Zn Ca Mg PSK Na
Microwave Digestion 916,422,219,292,511
Wet digestion 1,137,621,422,313,215
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 8302 sampling tea
Sample Preparation and Determination of dry matter content GB/T 8303 Tea grated
Principle 3
The samples were processed, the introduction of the test solution by inductively coupled plasma atomic emission spectrometry (ICP-AES), in particular with the working curve for each element
Zheng spectrum signal corresponding response in contrast, come to the content of each element.
4 Reagents
4.1 Requirements
Unless otherwise specified, all reagents excellent pure, the water used by the ultra-pure water, ultra-pure water resistivity after processing is not less than
18.2Mohm · cm.
4.2 Reagent Preparation
4.2.1
nitrate.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
How to Download GB/T 30376-2013
- 1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
- 2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
- 3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
- 4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.
Related Standards
GB/T 10003-2026 — Biaxially oriented polypropylene (BOPP) film
GB/T 10004-2026 — Plastic/Plastic laminated films and pouches for packaging
GB/T 10007-2026 — Rigid cellular plastics - Determination of shear properties
Secure payment via Stripe
Payments accepted
GB/T 30376-2013
$145.00