ascorbic acid budada wanaagsan (100 mesh)
Astaamaha:
Muuji dhaqdhaqaaqa noolaha xeryahooda ascorbic acid loo yaqaan, waa vitamins biyo-L, miraha iyo khudaarta waa badan. In reactions redox sharciyaynta dheefshiidka la'aanta waxaa ka mid ah waxay keeni kartaa cadho
shayga | HEERKA |
Imaansho | crystal White ama ku dhowaad caddaan ama budada crystalline |
aqoonsiga | positive |
barta barafku | 191 ℃ ~ 192 ℃ |
pH (5%, w / v) | 2.2 ~ 2.5 |
pH (2%, w / v) | 2.4 ~ 2.8 |
wareeg indhaha gaar ah | + 20.5 ° ~ + 21.5 ° |
Hufnaan of xal | Clear |
biraha culus | = <0,0003% |
Isku dayo (sida C 6 saac 8O6,%) | 99,0 ~ 100.5 |
copper | = <3 mg / kg |
Iron | = <2 mg / kg |
Mercury | = <1 mg / kg |
arsenic | = <2 mg / kg |
Lead | = <2 mg / kg |
oxalic acid | = <0.2% |
Loss on qalajiyo | = <0.1% |
Sulphated ash | = <0.1% |
qase haraaga ah (sida methanol) | = <500 mg / kg |
Total saxan count (CFU / g) | = <1000 |
Gjærsopper & wasakhahaasi (CFU / g) | = <100 |
Escherichia. Coli / g | maqnaanshaha |
Salmonella / 25g | maqnaanshaha |
Staphylococcus aureus / 25g | maqnaanshaha |