Wholesale ISO best price top quality organic 95% 98% 99% quercetin anhydrous powder free sample
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- Supplier: Nanjing Jiayi Sunway Chemical Co. Ltd.
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Product Overview
Description
Test Description | Standard | Results | Methods | |||
Appearance | Yellow powder | Conforms | Visual method | |||
Identification | IR | Conforms | IR | |||
Odor | None to slight | Conforms | Smell | |||
Particle size | 100%Through 80 mesh | Conforms | CP2020 | |||
Heavy metals | ≤l0ppm | < 10ppm | Colorimetry | |||
AS | ≤1ppm | < 1ppm | AAS | |||
Hg | ≤0.1ppm | <0.1ppm | AAS | |||
Pb | ≤1ppm | < 1ppm | AAS | |||
Cd | ≤1ppm | < 1ppm | AAS | |||
Sulfate | ≤0.1% | <0.1% | CP2020 | |||
Reducing sugar | Negative | Negative | GS | |||
Water | ≤12.0% | 9.0% | KF | |||
Sulphated ashes | ≤0.2% | 0.05% | CP2020 | |||
Assay(on dry product) | ≥98.0% ≥95.0% | 99.9% 95.4% | UV method HPLC method | |||
Microbiological -- Bacteria -- Yeast & Mould -- Salmonella -- Escherichia coli -- Staphylococcus aureus | ≤1000cfu/g ≤l00cfu/g Negative Negative Negative | < 10cfu/g < 10cfu/g Negative Negative Negative | CP2020 | |||
This product is tested according to in-house standard and the results meet the specifications. | ||||||
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
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