Chemical Projects
Description
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Injection Canada Perandren Pure Testosterone Propionate with Bodybuild Hormone
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Identify :
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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 .
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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 .
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Questions&Answers :
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① You are real steroids supplier?
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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 face.
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# How is your quality?
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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.
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# How to ship safely?
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As listed in our shipping methods, we use discreet packing, and even we provide domestic shipping if we have your order items in your country.
What is your seizure policy?
With our safe delivery, always 99% pass through, if not through, we talk futher.
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Product Photo
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Walk Bio-Tech Co., Ltd.
Pure Testosterone Steroid,Nandrolone Powder,Trenbolone Powder
Address: # 101, Wanyu Road, Nancheng District, Dongguan Guangdong China,
Zhuhai, Guangdong
China, 519000
Tel: 86-152-20971125
Fax: 86-152-20971125
