GB/T 12309-1990 Translated English of Chinese Standard (GB/T 12309-1990, GBT12309-1990): Industry corn starchhttps://www.chinesestandard.net, 2022/12/09 - 21 ページ This standard specifies the technical requirements, test methods, inspection rules, product marking, packaging, transportation, storage of industrial corn starch. This standard applies to industrial corn starch, which is made from corn as raw material, through wet milling. |
多く使われている語句
0.05 mol/L sulfuric 0.1 mol/L sodium according to GB accurate to 0.01 acid standard solution Allowable difference aluminum box Ammonium persulfate ammonium thiocyanate blank test boric acid solution box or weighing Calculation Chemical reagent color Combine the rinsing condenser tube conical flask constant weight decimal places deionized water desiccator difference The difference distilled water end point ethanol ether extraction bottle Figure B1 filter paper tube hydrochloric acid standard hydroxide standard solution industrial corn starch Instruments iron standard solution Kjeldahl flask less than 0.2 liquid milliliters mixed indicator solution mol/L sodium hydroxide mol/L sulfuric acid n-butanol Nessler colorimetric tube number of packaging number of spots packaging units perform a blank protein receiving bottle residue sample accurate sample mass Shake small glass sodium hydroxide solution sodium hydroxide standard Soxhlet extractor starch spot counter Sulfur dioxide sulfuric acid standard Test procedure Weigh titration Trace nitrogen determination volume of 0.05 water to rinse weighing bottle