Mass spectrum

  WeiHua can do all kinds of molecular weight testing tests for China biology, independent chemical testing laboratories, high-tech enterprises and third-party testing institutions, including protein molecular weight testing, polypeptide molecular weight, polyethylene molecular weight, polyacrylic acid molecular weight testing, natural rubber molecular weight testing, polysaccharide molecular weight testing, etc., and issue third-party molecular weight testing reports.

  Molecular weight detection range

　Protein molecular weight detection, polypeptide molecular weight, polyethylene molecular weight, polyacrylic acid molecular weight, natural rubber molecular weight detection, polysaccharide molecular weight detection, polymer molecular weight detection, chitin molecular weight detection, traditional Chinese medicine molecular weight, polyglutamic acid molecular weight detection, polyvinyl alcohol molecular weight detection, starch molecular weight, hyaluronic acid molecular weight, plastic molecular weight, organic molecular weight, polyether polyol molecular weight, acrylic acid molecular weight, Fluorosilicone rubber, alginate, dietary fiber, polyacrylamide molecular weight detection, chitosan, coconut oil, nylon 66, film molecular weight detection, etc.

  Molecular weight test items

   Mass spectrometry, gel chromatography, GPC, gel chromatography, etc.

　　GPC

  Molecular weight test standard　

1GB/T 6598-1986Determination of weight average molecular weight of polystyrene standard sample by small angle laser light scattering

2GB/T 12005.10-1992Determination of molecular weight of polyacrylamide viscosity method

3GB/T 19701.1-2016Implants for surgery - ultra high molecular weight polyethylene - Part 1: Powder

4GB/T 19701.2-2016Implants for surgery - ultra high molecular weight polyethylene - Part 2: moulding materials

5GB/T 21461.1-2008Plastics - ultra high molecular weight polyethylene (PE-UHMW) moulding and extrusion materials - Part 1: Designation system and classification basis

6GB/T 21461.2-2008Plastics - ultra high molecular weight polyethylene (PE-UHMW) moulding and extrusion materials - Part 2: preparation of test specimens and determination of properties

7GB/T 21864-2008Standard Test Method for average molecular weight and molecular weight distribution of polystyrene volume exclusion chromatography

8GB/T 27843-2011Determination of low molecular weight components of chemical polymers by gel permeation chromatography(GPC)

9GB/T 29554-2013Ultra high molecular weight polyethylene fiber

10GB/T 30668-2014Ultra high molecular weight polyethylene fiber 8-strand, 12 strand braided rope and re braided rope

11GB/T 30787-2014Determination of average molecular weight and distribution of film forming resins for digital printing materials by gel permeation chromatography

12GB/T 31816-2015Determination of molecular weight and distribution of polymer for water treatment agents - gel chromatography

13GB/T 32679-2016Ultra high molecular weight polyethylene (PE-UHMW) resin

  GPCDetection process

　　1、Telephone consultation;

　　2、Mail samples or door-to-door sampling;

　　3、Engineer's quotation;

　　4、Pay the test fee and carry out the experiment;

　　5、Complete the experiment and issue the test report;

　　6、Mail test report and after-sales service。