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<title><![CDATA[EC21 Product Catalogs - purity testing analysis]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/purity testing analysis.html]]></link><item>
<title><![CDATA[Cas 25984-63-8 4-Hydroxythiobenzamide]]></title><link><![CDATA[https://dingyanchemical.en.ec21.com/Cas_25984_63_8_4--11841248_12046527.html]]></link><description><![CDATA[Analysis
tests 
Standard 
Appearance 
Yellow
Powder 
Purity 
≥99.00% 
Moisture
Content 
≤0.50% 
FQA:
Q1 Can i get some samples 
A1 Yes,
we can supply the free sample, but the shipping cost be pai]]></description><pubDate><![CDATA[20260603]]></pubDate></item>
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<title><![CDATA[99.99% High Purity Copper Cathodes Grade A - US Origin - 2000 MT Monthly Supply (Houston Port)]]></title><link><![CDATA[https://astracommoditiesusa.en.ec21.com/99.99_High_Purity_Copper_Cathodes--12073598_12069823.html]]></link><description><![CDATA[analysis verified before departure).
Shipping Terms: FOB Houston / CIF available upon request to safe world ports.
Payment Terms: Secure B2B payment methods accepted (Irrevocable, Confirmed LC / TT t]]></description><pubDate><![CDATA[20260528]]></pubDate></item>
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<title><![CDATA[Cosmetic Raw Materials]]></title><link><![CDATA[https://ywcx.en.ec21.com/Cosmetic_Raw_Materials--12072915_12074111.html]]></link><description><![CDATA[Skin Irritation Test: Non‑irritating / Slightly irritating 2. Formula Compatibility: Compatible with aqueous systems, serum, cream, freeze‑dried powder 3. Stability: Stable under 4℃, 25℃, 45]]></description><pubDate><![CDATA[20260608]]></pubDate></item>
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<title><![CDATA[High Quality Skin Care Cosmetic Peptides Lyophilized Powder Face Beauty 10mg]]></title><link><![CDATA[https://yiwubeauty.en.ec21.com/High_Quality_Skin_Care_Cosmetic--11942963_11954339.html]]></link><description><![CDATA[testing, sales as one of the high-tech enterprises.The company is committed to the separation, purification and chiral separation of high purity natural products, as well as the development, producti]]></description><pubDate><![CDATA[20260604]]></pubDate></item>
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<title><![CDATA[Square Quartz Optical Cell for Spectroscopy and Custom Research]]></title><link><![CDATA[https://meticulab.en.ec21.com/Square_Quartz_Optical_Cell_for--12069884_12071132.html]]></link><description><![CDATA[testing; volume pricing available.
Applications
UV‑Vis‑NIR Absorption Spectroscopy – Standard 10 mm square cuvettes for routine liquid sample analysis.
TDLAS (Tunable Diode Laser Absorption Spe]]></description><pubDate><![CDATA[20260502]]></pubDate></item>
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<title><![CDATA[High-precision Mass Spectrometer PCBA OEM Factory]]></title><link><![CDATA[https://tecoopcba.en.ec21.com/High_precision_Mass_Spectrometer_PCBA--12055073_12054999.html]]></link><description><![CDATA[analysis of drug metabolites (LC-MS).
Environmental monitoring: detection of heavy metals (As, Hg) in water/soil (ICP-MS).
Semiconductor manufacturing: trace impurity analysis of high-purity gases/ch]]></description><pubDate><![CDATA[20260429]]></pubDate></item>
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<title><![CDATA[Lemon Flavour - Pleasant Aroma Not Pungent - Lasting Fragrance - High Purity Lemon Flavour Fruit Fla]]></title><link><![CDATA[https://666888angel.en.ec21.com/Lemon_Flavour_Pleasant_Aroma_Not--12048205_12048268.html]]></link><description><![CDATA[analysis.
The company&apos;s products are used by more than 30 foreign companies and regions. After more than ten years of technology accumulation and market development, the company has accumulated a gro]]></description><pubDate><![CDATA[20250311]]></pubDate></item>
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<title><![CDATA[Professional Grade Laboratory Vacuum Vulcanization Equipment - Innovator of Vulcanization Process!]]></title><link><![CDATA[https://ycmachinery188.en.ec21.com/Professional_Grade_Laboratory_Vacuum_Vulcanization--11977214_11992238.html]]></link><description><![CDATA[Improving the accuracy and efficiency of laboratory rubber material property testing is at the heart of our design philosophy for this laboratory vacuum vulcaniser. Manufactured specifically for the ]]></description><pubDate><![CDATA[20250310]]></pubDate></item>
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<title><![CDATA[Haisu Silica Gel Column Chromatography 100-200mesh 200-300mesh 300-400mesh 60-100mesh]]></title><link><![CDATA[https://13184133710.en.ec21.com/Haisu_Silica_Gel_Column_Chromatography--12028788_12038598.html]]></link><description><![CDATA[analysis how many percentage of mixture is purify. Analytical chromatography is a simple method of chromatography with faster and cost effective separation. In analytical chemistry development, techn]]></description><pubDate><![CDATA[20250122]]></pubDate></item>
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<title><![CDATA[High Purity Polyaluminum Chloride Pac]]></title><link><![CDATA[https://ywputai.en.ec21.com/High_Purity_Polyaluminum_Chloride_Pac--12016681_12016682.html]]></link><description><![CDATA[Testing: Comprehensive analysis to ensure optimal chemical dosing and compliance.
Project Consultation: Expert advice and EPC services to optimize your water treatment process.
Training Programs: Reg]]></description><pubDate><![CDATA[20241025]]></pubDate></item>
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<title><![CDATA[XRF Spectrometer Noble Metal Tester VR-X5]]></title><link><![CDATA[https://cfan.en.ec21.com/XRF_Spectrometer_Noble_Metal_Tester--7219490_11355908.html]]></link><description><![CDATA[test up to 20 different elements, the VR-X5 offers comprehensive analysis for a wide range of applications, from gold purity testing to alloy composition analysis.High Voltage protectionInput voltage]]></description><pubDate><![CDATA[20240930]]></pubDate></item>
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<title><![CDATA[Smooth Aluminum Coil 1050, 1060, 1100, 3003]]></title><link><![CDATA[https://zyalyin007.en.ec21.com/Smooth_Aluminum_Coil_1050_1060--12007368_12007492.html]]></link><description><![CDATA[analysis during production,T-bend test, impact test, salt-spray test, tensile test and packaging testing on exported products , which ensures its integrated performance such as corrosion resistance, ]]></description><pubDate><![CDATA[20240920]]></pubDate></item>
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<title><![CDATA[15year Profession Sale Pyrethrum Extract CAS 8003-34-7 Pyrethrin 1.5% Water Emulsionbiocide Control]]></title><link><![CDATA[https://baisifu2019.en.ec21.com/15year_Profession_Sale_Pyrethrum_Extract--12006744_12006754.html]]></link><description><![CDATA[Analysis.
•Our company&apos;s product users throughout the world more than 30 countries and regions, after more than 10 years of technology accumulation and market development, the company has accumulat]]></description><pubDate><![CDATA[20240919]]></pubDate></item>
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<title><![CDATA[Recombinant Humanized Collagen Type III]]></title><link><![CDATA[https://crene.en.ec21.com/Recombinant_Humanized_Collagen_Type_III--3445264_11976104.html]]></link><description><![CDATA[Analysis Basis
企业标准
Enterprise Standard
有效期
Expiry Date
2026 年 06 月 19 日
检验项目 Test Item
控制指标 Specification
检验结果 Test Result
性状
Description
类白色或]]></description><pubDate><![CDATA[20240727]]></pubDate></item>
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<title><![CDATA[Monocrystalline Silicon Wafer]]></title><link><![CDATA[https://czboyan.en.ec21.com/Monocrystalline_Silicon_Wafer--11964559_11964560.html]]></link><description><![CDATA[analysis test substrates, molecular beam epitaxial growth substrates, X-ray analysis of crystalline semiconductors
Our premium Monocrystalline Silicon Wafer offers unmatched cost performance. Despite]]></description><pubDate><![CDATA[20240707]]></pubDate></item>
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<title><![CDATA[Solid Phase Extraction(SPE) Column&amp;Affinity Chromatography(AC) Column&amp;Gravity Flow Column Bracket]]></title><link><![CDATA[https://biogene123.en.ec21.com/Solid_Phase_Extraction_SPE_Column--11963552_11963581.html]]></link><description><![CDATA[test tube, colorimetric tube, etc., for sample pretreatment, through the separation,
purification and concentration of the sample, improve the speed of sample liquefication, meteorological analysis, ]]></description><pubDate><![CDATA[20240705]]></pubDate></item>
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<title><![CDATA[Thickener Sodium Carboxymethyl Cellulose CMC Food Grade CAS 9000-11-7 for Ice Cream]]></title><link><![CDATA[https://cobiotech1211.en.ec21.com/Thickener_Sodium_Carboxymethyl_Cellulose_CMC--11354259_11962153.html]]></link><description><![CDATA[Analysis of certificate : Testing ItemStandardResultPhysical Exteriorhite or Yellowish Powderhite or Yellowish PowderViscosity(1%,mpa.s)2500-35003000Degree of Substitution0.7Min0.85PH(25°C)6.5-8.57.]]></description><pubDate><![CDATA[20240703]]></pubDate></item>
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<title><![CDATA[Copper Wire 99.95%]]></title><link><![CDATA[https://conikel.en.ec21.com/Copper_Wire_99.95--11046250_11046313.html]]></link><description><![CDATA[test methods: high purity cathode copper chemical composition of the arbitration analysis method according to GB/T13293-1991 chemical analysis method of high purity copper anode, standard copper cath]]></description><pubDate><![CDATA[20240604]]></pubDate></item>
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<title><![CDATA[Wholesale Price of Phospholipid]]></title><link><![CDATA[https://lixingshengwu.en.ec21.com/Wholesale_Price_of_Phospholipid--11935015_11935040.html]]></link><description><![CDATA[Testing: Implement robust analytical testing methods to quantify the phospholipid content in the formulation. Various analytical techniques, including chromatography and spectroscopy, can be employed]]></description><pubDate><![CDATA[20240511]]></pubDate></item>
<item>
<title><![CDATA[Dipropylen Glycol Dibenzoate (DPGDB)]]></title><link><![CDATA[https://global2003za.en.ec21.com/Dipropylen_Glycol_Dibenzoate_DPGDB--11878102_11878450.html]]></link><description><![CDATA[ANALYSIS
SPECIFICATION
RESULTS
TESTING METHOD
APPEARANCE:
TRANSPARENT LIQUID, FREE OF MECHANIC IMPURITIES
PASSED
IN HOUSE#PSB01
ASSAY (%):
99.0 MIN
99.2
GB/T9722
ACIDITY (%):
0.1 MAX
0.05
IN HOUSE# P]]></description><pubDate><![CDATA[20231221]]></pubDate></item>
<item>
<title><![CDATA[Mill Memorial Arch]]></title><link><![CDATA[https://hnqj888.en.ec21.com/Mill_Memorial_Arch--10972058_11537759.html]]></link><description><![CDATA[1. Jinjin cast steel adopts Huashu CAE casting simulation software to conduct solidification simulation, analysis and demonstration on the archway according to the initial process to complete the opt]]></description><pubDate><![CDATA[20220228]]></pubDate></item>
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<title><![CDATA[Rabbit IgG]]></title><link><![CDATA[https://frenovo.en.ec21.com/Rabbit_IgG--11783263_11783277.html]]></link><description><![CDATA[purity of IgG was over 97% by SDS-PAGE analysis.
Phosphate buffer: 0.01 m Phosphate buffer in 0.15 m NaCl.
As one of the one step rapid test manufacturers, we provide china test rapid
, rabbit igg an]]></description><pubDate><![CDATA[20230506]]></pubDate></item>
<item>
<title><![CDATA[Hot Selling Industrial Grade White Powder 99.5% 99.0% 12125-02-9 Chloride Ammonium]]></title><link><![CDATA[https://motarovallc.en.ec21.com/Hot_Selling_Industrial_Grade_White--11381324_11381439.html]]></link><description><![CDATA[Used as fertilizer for crops and it is suitable for rice, wheat, cotton, hemp, vegetables and other crops.
(5) Used for the analysis of reagents and the test of synthetic fiber viscosity
]]></description><pubDate><![CDATA[20210513]]></pubDate></item>
<item>
<title><![CDATA[Raw Materials China Supplier Manufacture Sodium Cocoyl Isethionate SCI 85 CAS 61789-32-0]]></title><link><![CDATA[https://onerchem.en.ec21.com/Raw_Materials_China_Supplier_Manufacture--11739420_11739905.html]]></link><description><![CDATA[Analysis 
Items
SCI-65
SCI-75
SCI-85
Free Fatty Acids MW 250
22.00% to 30.00%
16.00% to 26.00%
5.00% to 15.00%
Active Component MW351
64.00% to 68.00%
68.00% to 76.00%
80.00% to 88.00%
PH
5.0-6.0
5.0]]></description><pubDate><![CDATA[20230304]]></pubDate></item>
<item>
<title><![CDATA[High Purity Gas Generator, Hydrogen Generator, Nitrogen Generator]]></title><link><![CDATA[https://huishiyiqi2024.en.ec21.com/High_Purity_Gas_Generator_Hydrogen--11907876_11909357.html]]></link><description><![CDATA[Features of high-purity gas generator products:
Suitable for various gas chromatographs both domestically and internationally; Widely used in laboratory analysis and testing departments such as petro]]></description><pubDate><![CDATA[20240307]]></pubDate></item>
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<title><![CDATA[SANPONT Aluminium Silica Gel TLC High Purity Grade with Fluorescent Indicator]]></title><link><![CDATA[https://candy822.en.ec21.com/SANPONT_Aluminium_Silica_Gel_TLC--9333363_9333770.html]]></link><description><![CDATA[analysis of substance. 
4.The separation and analysis on chemical compound. 
OEM Service
One of the top three silica gel direct manufacturers in China .
Provide HPLC column silica gel powder and TLC ]]></description><pubDate><![CDATA[20160715]]></pubDate></item>
<item>
<title><![CDATA[10L /H Laboratory Equipment Water Purification Water Treatment / Distilled Water Machine]]></title><link><![CDATA[https://molecularkathy.en.ec21.com/10L_H_Laboratory_Equipment_Water--9588144_9588215.html]]></link><description><![CDATA[analysis
Application of microorganism Protein purification Protein analysis TOC testing Buffer allocation Cell culture Toxicity test 
Atomic absorption / atomic emission spectrometry
HPLC high perfor]]></description><pubDate><![CDATA[20150715]]></pubDate></item>
<item>
<title><![CDATA[Hexylene Glycol]]></title><link><![CDATA[https://atlantic2za.en.ec21.com/Hexylene_Glycol--9877598_9877612.html]]></link><description><![CDATA[ANALYSIS
LIMITS
PURITY, (wt.%), MIN.
99.0
SPECIFIC GRAVITY 20/20 &amp;ordm;C
0.921 - 0.924
COLOR, (Pt-Co), MAX
10
ACIDITY AS ACETIC ACID, (wt.%), MAX
0.005
DISTILLATION RANGE AT 760 mmHg, ( &amp;ordm;C)
195.]]></description><pubDate><![CDATA[20160303]]></pubDate></item>
<item>
<title><![CDATA[High Precision CCD Spectroradiometer]]></title><link><![CDATA[https://lisungroup1.en.ec21.com/High_Precision_CCD_Spectroradiometer--9657760_11802779.html]]></link><description><![CDATA[LMS-9000C High Precision CCD Spectroradiometer/spectroradiometry is according to LM-79 clause 9.1. It is designed for any visible optical spectrum distribution analysis, mimicking various light sourc]]></description><pubDate><![CDATA[20230907]]></pubDate></item>
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<title><![CDATA[Soft Magnetic Iron Cobalt Alloy Hiperco 27]]></title><link><![CDATA[https://alloyexporters.en.ec21.com/Soft_Magnetic_Iron_Cobalt_Alloy--10251764_11136595.html]]></link><description><![CDATA[analysis and detection of all raw materials, finished products in the factory.
Undertaking more than 55 analysis and testing items. Such as material chemical composition，physical properties，magne]]></description><pubDate><![CDATA[20200512]]></pubDate></item>
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<title><![CDATA[Lab Use Pure O2 Generator Small Oxygen Production Machine]]></title><link><![CDATA[https://smtlabtech.en.ec21.com/Lab_Use_Pure_O2_Generator--11798428_11798448.html]]></link><description><![CDATA[analysis and testing departments. High
purity oxygen generator is composed of electrolytic separation tank, 
switching power supply, liquid storage tank, pressure control, drying 
and purification, f]]></description><pubDate><![CDATA[20230529]]></pubDate></item>
<item>
<title><![CDATA[Baisfu Factory Direct Supply Caryophyllene Oxide CAS:1139-30-6]]></title><link><![CDATA[https://baisifu123.en.ec21.com/Baisfu_Factory_Direct_Supply_Caryophyllene--11892340_11894887.html]]></link><description><![CDATA[testing. Our
company always attaches great importance to product quality and brand
reputation, and strictly implements product quality and environmental
management control. It has passed various cert]]></description><pubDate><![CDATA[20240129]]></pubDate></item>
<item>
<title><![CDATA[Magnesium Ball]]></title><link><![CDATA[https://waterpeople.en.ec21.com/Magnesium_Ball--10826018_10973274.html]]></link><description><![CDATA[analysis data / recognized to be suitable at the tests (for drinking water quality standards of 55 items) by Korea Testing &amp; Research Institute.
2. Features of magnesium (Mg) by kindRound granule (1.]]></description><pubDate><![CDATA[20200621]]></pubDate></item>
<item>
<title><![CDATA[Dipropyleneglycol (D.P.G)]]></title><link><![CDATA[https://ultimate2001za.en.ec21.com/Dipropyleneglycol_D.P.G--10266717_10266772.html]]></link><description><![CDATA[Purity:99%MIN 
Specification:
NO
Items of analysis
Specification
1
APPEARANCE
transparent liquid,free of mechanic impuritires
2
assay(AS ESTERS)(%)
99.0 Min
3
ACIDITY(MGKOH/G)
0.1MAX
4
MOISTURE(%)
0.]]></description><pubDate><![CDATA[20170105]]></pubDate></item>
<item>
<title><![CDATA[Dop, Dioctyl Phthalate]]></title><link><![CDATA[https://polychemicals888.en.ec21.com/Dop_Dioctyl_Phthalate--10311143_10348668.html]]></link><description><![CDATA[Analysis Item Specification Test Method 
Purity (% weight) 99.50 min GC 
Moisture ( % weight) 0.05 max ASTM E203 
Acid value (mg KOH/g) 0.04 max JIS K6751 
Ester value (mg KOH/g) 284 - 290 JIS K6751 ]]></description><pubDate><![CDATA[20170330]]></pubDate></item>
<item>
<title><![CDATA[1600C GD Type Silicon Carbide SiC Heating Elements]]></title><link><![CDATA[https://vinergroup.en.ec21.com/1600C_GD_Type_Silicon_Carbide--11076386_11076585.html]]></link><description><![CDATA[analysis test, semiconductor, science &amp; research and so on.
VINER Industrial Packaging:
Plastic paper
inside, Polyfoam filled, Wooden box outside.
Company Information 
VINER
Industrial Specializes in]]></description><pubDate><![CDATA[20200310]]></pubDate></item>
<item>
<title><![CDATA[Track Etched Membrane, PET/PC Heavy Ion Microporous Membrane, Nuclear Porous Membrane]]></title><link><![CDATA[https://szhhstech.en.ec21.com/Track_Etched_Membrane_PET_PC--11178164_11686280.html]]></link><description><![CDATA[purity removal. Sterilization. Concentration. One-time realization.There is very little loss of active ingredients.6. Environmental testing and analysis.The error between the data and the actual is v]]></description><pubDate><![CDATA[20221205]]></pubDate></item>
<item>
<title><![CDATA[ICONE2]]></title><link><![CDATA[https://kobistq.en.ec21.com/ICONE2--1_11135288.html]]></link><description><![CDATA[The Analysis of Fire
The Cone Calorimeter is the most significant bench scale instrument in the field of fire testing. Heat release is the key measurement required to assess the fire development of m]]></description><pubDate><![CDATA[20200511]]></pubDate></item>
<item>
<title><![CDATA[Fenoprofen Calcium]]></title><link><![CDATA[https://azide.en.ec21.com/Fenoprofen_Calcium--4_349598.html]]></link><description><![CDATA[Infared compares to stand TLC compares to standard 
positive test for calcium
Sieve analysis: Not more than 10%Retained on #35 
Not more than 50% Retained on #120 
Not more than 70% Retained on #230]]></description><pubDate><![CDATA[20061031]]></pubDate></item>
<item>
<title><![CDATA[Mercury 99.999%]]></title><link><![CDATA[https://stlcs.en.ec21.com/Mercury_99.999--7074569_7074579.html]]></link><description><![CDATA[purity mercury, like mercury 99.999% or mercury 99.99999%.
CAS RN.
7439-97-6
EINECS:
231-106-7
H.S.CODE:
2805.4000.00
1. Chemical Analysis 
Component
Range
Typical
Assay
99.999%min
99.9996%
Fe
0.0000]]></description><pubDate><![CDATA[20121017]]></pubDate></item>
<item>
<title><![CDATA[Filter Paper,Chemical Analysis Filter Paper]]></title><link><![CDATA[https://kindjy.en.ec21.com/Filter_Paper_Chemical_Analysis_Filter--6223100_6223101.html]]></link><description><![CDATA[analysis as well as chromatographic analysis and test. Filtration Speed:Fast Speed,Medium(Moderate) Speed,Slow Speed. Diameter of Circular Filter Paper:70mm,90mm,110mm,125mm,150mm,180mm,185mm,220mm,2]]></description><pubDate><![CDATA[20220124]]></pubDate></item>
<item>
<title><![CDATA[Gas Pycnometer Helium True Density Analyzer G-DenPyc 2900]]></title><link><![CDATA[https://goldapp.en.ec21.com/Gas_Pycnometer_Helium_True_Density--9431275_7277188.html]]></link><description><![CDATA[purity of the analysis gas. In this case, Gold APP Instruments had explored a smart sample preparation degasser for materials handle, can guarantee to gain the &quot;cleanliness&quot; testing data.
G-DenPyc 29]]></description><pubDate><![CDATA[20240118]]></pubDate></item>
<item>
<title><![CDATA[Poly Aluminium Chloride]]></title><link><![CDATA[https://chemical2za.en.ec21.com/Poly_Aluminium_Chloride--9379678_9379795.html]]></link><description><![CDATA[purity and safety.It uses filtration process by press filter.The residue is separated with liquid.No water insoluble,no-blocking for pipes and pumps of the users.
5.The physical and chemical analysis]]></description><pubDate><![CDATA[20150203]]></pubDate></item>
<item>
<title><![CDATA[Extra Virgin Olive Oil]]></title><link><![CDATA[https://654321oni.en.ec21.com/Extra_Virgin_Olive_Oil--7103470_7103775.html]]></link><description><![CDATA[PURITY: Free of residue (B refined) or re-esterified oils. Must meet all Codex Alimentarius standards. CERTIFICATE OF ANALYSIS: Each shipment to include certificate. DESCRIPTION: Bland - White Color ]]></description><pubDate><![CDATA[20120919]]></pubDate></item>

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