Standard No.:	GB/T 12005.10-1992
English Name:	for molecular weight of polyacrylamide by viscometry
Chinese Name:	聚丙烯酰胺分子量测定 粘度法
Chinese Classification:	G32    Synthetic resin and plastic
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ
Issued on:	1992-12-12
Implemented on:	1993-10-1
Status:	superseded
Superseded by:	GB/T 12005.2-2026 Polyacrylamide—Part 2：Determination of properties
Superseded on:	2026-12-1
Target Language:	English
File Format:	PDF
Word Count:	1000 words
Translation Price(USD):	70.0
Delivery:	via email in 1 business day

Determination for molecular weight of polyacrylamide by viscometry 1 Subject content and scope of application This standard specifies the determination for molecular weight of polyacrylamide by viscometry. This standard is applicable to the determination for molecular weight of powdery or colloidal nonionic polyacrylamide and the determination for apparent molecular weight of powdery or colloidal anionic polyacrylamide. This standard is not applicable to the determination for molecular weight of polyacrylamide containing additives. This standard may be used for such specimen after getting rid of additives. 2 Normative references GB 12005.1 Determination for limiting viscosity number of polyacrylamide 3 Principle The relationship between molecular weight (M) of polymer and limiting viscosity number (η) is shown in equation (1):

1 Subject content and scope of application 2 Normative references 3 Principle 4 Determination method 5 Calculation and expression of results 6 Test report