N-heptane is an organic compound with chemical formula C7H16. It is a colorless, transparent and volatile liquid. It is insoluble in water, soluble in ethanol and carbon tetrachloride, and miscible in ether, chloroform, acetone and benzene. It is mainly used as a standard and solvent for octane number determination, and can also be used for organic synthesis and preparation of experimental reagents.
1.Used as analytical reagent and solvent
2.Extraction solvent
3.As analytical reagents
4.Biochemical studies, protein sequence analysis. Determination of ozone, triglyceride. Pesticide residue analysis. Spectroscopic and fluorescence analysis. Standard fuel for the determination of antiknock properties of gasoline
Bizda chuqur hamkorlikka ega bo'lgan ko'plab yuqori sifatli fabrikalar mavjud bo'lib, ular sizga yuqori sifatli mahsulotlar va raqobatbardosh narxlarni taqdim etadi. Shuningdek, biz ommaviy xaridlar uchun chegirmalar berishimiz mumkin. Va biz ko'plab professional ekspeditorlik kompaniyalari bilan hamkorlik qilamiz, mahsulotlarni sizning qo'llaringizga xavfsiz va muammosiz etkazib bera olamiz. Yetkazib berish muddati to'lov tasdiqlanganidan keyin taxminan 3-20 kun.
Sinov |
Spetsifikatsiya |
Natija |
Assay (GC),Heptanes |
99.9%min. |
>99.9% |
Assay (GC),Normal Heptane |
99.0% |
99.38% |
Assay (GC),Otder Isomers |
1.0% max. |
<1.0% |
Boiling Range |
92.3C-99.9C |
Pass |
Specific Gravity @15.56C |
0.68-0.695 |
Pass |
Acidity as Acetic Acid |
0.002% max |
<0.0002% |
Residue After Evaporation |
10 ppm max. |
<10 ppm |
Sulfer (as S) |
0.001% max. |
<0.0001% |
Water |
0.005% |
0.003% |
1. Siz zavodmisiz yoki savdo shirkati?
Biz sanoat va savdoni integratsiyalashgan, bir martalik xizmat ko'rsatuvchi kompaniyamiz. OEM qabul qilinishi mumkin.
2. Siz namunalar berasizmi? Bu bepulmi yoki qo'shimchami?
Bepul namunalar. Namunaning yuk to'lovi siz tomondan to'lanishi kerak.
3. Sizda sifat nazorati bilan bog'liq sertifikatlar bormi?
Sifatni ta'minlash uchun ISO 9001: 2008 sertifikati.
4. Kotirovka olish uchun nimani taqdim etishim kerak?
Iltimos, sizga kerak bo'lgan mahsulot turi, buyurtma miqdori, manzili va aniq talablari haqida bizga xabar bering. Kotirovka sizning murojaatingiz uchun o'z vaqtida amalga oshiriladi.
5. Qaysi to'lov usulini afzal ko'rasiz? Qanday shartlar qabul qilinadi?
Qabul qilingan yetkazib berish shartlari: FOB, CFR, CIF, EXW;
Qabul qilingan to'lov valyutasi: USD;
Qabul qilingan to'lov turi: T / T, Western Union; Paypal, Savdo kafolati.
So'zlashadigan til: Ingliz.
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