Injection Canada Perandren Pure Testosterone Propionate with
Take this product about 5 mg , put it into a small tube , add 0.2
ml methanol to dissolve , add nitroso iron 3 mg of sodium cyanide
powder , sodium carbonate and ammonium acetate each about 50 mg ,
shake well , place 10 ~ 30 minutes alone , it shows violet . Take
this product about 0.5 mg , get it into asmall tube , and add
isoniazid 1 ml dissolves , about 1 mg and the methanol with dilute
hydrochloric acid 1 drop , that is showing yellow . The infrared
absorption spectrum of this product shall be the same as the
reference map (spectrum set figure 434) . Chromatographic
conditions and system suitability test with octadecyl silane bonded
silica gel as the filling agent, Methanol and water (65:35) as
mobile phase , detection wavelength is 254 nm .
On progesterone peak calculated should be not less than 1000 ,
progesterone and internal standard peak separating degree should
comply with the requirements of the material . With internal
standard solution , take about 25 mg diethylstilbestrol with
precision weight , put it into a 25 ml vial , dissolve in methanol
and dilution to the scale , shake well , for a presise measurement
25 mg , proper precision , get it into 25 ml volumetric flask and
methanol solvent and thinner to scale , shake well . Precision
measuring 5 ml of the solution and internal standard solution , in
25 ml volumetric flask and diluted with methanol to scale , shake
well , take 5 μ injection liquid chromatograph , record
chromatograph chart . Then take right amount of progesterone
reference substance , with the same method . According to the
internal standard method with peak area calculation .
① You are real steroids supplier?
Every business starts with honesty, we are honest to every
customer, we treat you as friends. With the first time do business
with us, you can make a small order or we can provide samples no
any issue. Even you can come to our office for talking face to
No any worry about out quality, we sell the best quatlity raws to
customers, because we nedd long-term business relationship with
customers, we never do only one time business.
③ What is your minimal order?
Sample is avaible to be provided, the minimal order for general
items is 50g, but for expensive items, less than 50g will be fine.
As listed in our shipping methods, we use discreet packing, and
even we provide domestic shipping if we have your order items in
What is your seizure policy?
With our safe delivery, always 99% pass through, if not through, we
Pure 99%+ Testosterone Propionate
Items And Results
White or almost white crystalline powder
White crystalline powder
|118 ~ 123℃||118~ 121℃|
Loss on drying
Residue on igntition