تیمول بلو 5 گرمی کد 114545 کمپانی سیگما
ویرایش
89.11.21

جهت دریافت کاتالوگ لطفا روی عکس کلیک کنید


Product Name Thymol Blue,
ACS reagent, Dye content 95 %
Product Number 114545
Product Brand SIAL
CAS Number 76-61-9
Molecular Formula C27H30O5S
Molecular Weight 466.59
 
TEST SPECIFICATION LOT 05510MA RESULTS
APPEARANCE DARK GREEN TO BROWN TO RED-BROWN TO PURPLE DARK-GREEN POWDER
INFRARED SPECTRUM CONFORMS TO STRUCTURE. CONFORMS TO STRUCTURE
UV-VISIBLE SPECTRUM C = 0.01 G/L, 0.1N NAOH 0.01G/L, 0.1N NAOH
  E(597 +/- 2) NM = 30,000 (MINIMUM) E596= 36,300
  E(380 +/- 2) NM = 8,000 (MINIMUM) E379= 8,500
  E(300 +/- 2) NM = 12,000 (MINIMUM) E300= 12,500
THIN-LAYER
CONSISTENT WITH LISTING
CHROMATOGRAPHY

LOSS ON DRYING
5.67% LOSS
CLARITY OF SOLUTION 0.1%, ETHANOL; CLEAR SOLUTION WITH ONLY PASSES TEST
VISUAL TRANSITION PH 1.2 PINK PH 1.2= PINK
INTERVAL PH 2.2 ORANGE PH 2.2= ORANGE
  PH 2.8 YELLOW PH 2.8= YELLOW
  PH 8.0 YELLOW 3.64ML OF 1.0N NAOH REQUIRED FOR CHANGE
  PH 8.4 GREEN PH 8.0= YELLOW
  PH 9.2 BLUE PH 8.4= GREEN
 
PH 9.2= BLUE
 
0.30ML OF 0.01N NAOH REQUIRED FOR CHANGE
QUALITY CONTROL
OCTOBER, 2002
ACCEPTANCE DATE


فروشنده: آزمیران
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