DIN EN ISO 1157 (1999-09)废止
Cellulose acetate in dilute solution - Determination of viscosity number and viscosity ratio (ISO 1157:1990)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
This standard is included in DIN Handbook KUNSTSTOFFE BAND 3. Defines a procedure which determines viscosity number and ratio of cellulose acetate in dilute solution in a dichloromethane and methanol mixture. Covers cellulose acetate with an acetic yield of not less than 50%.
Supersedes DIN 53728-1. (11/1999)
SN EN ISO 1157:1999 - Identical
BS EN ISO 1157:2000 - Identical
ONORM EN ISO 1157:1999 - Identical
NF EN ISO 1157:1999 - Identical
UNI EN ISO 1157:2001 - Identical
I.S. EN ISO 1157:1999 - Identical
NS EN ISO 1157 Ed. 1 (1999) - Identical
UNE EN ISO 1157:2000 - Identical
SS EN ISO 1157 Ed. 1 (1999) - Identical
ISO 1157:1990 - Identical
NEN EN ISO 1157:1999 - Identical
