Ngoại quan : dạng vẩy màu vàng hoặc màu đỏ, dễ tan trong nước
Na2S không màu và tan trong nước tạo dung dịch có tính bazơ. Tuy nhiên, loại dùng trong kĩ thuật có bề ngoài màu vàng. Loại này được bán trên thị trường dưới tên ‘vụn natri sulfua’. Mặc dù ở thể rắn có màu vàng, các dung dịch của Na2S đều không màu.
Na2S được dùng chủ yếu trong công nghiệp giấy và bột giấy trong chu trình Kraft. Trong công nghiệp nhiếp ảnh, Na2S được ứng dụng để xử lý nước như chất loại bỏ tạp chất oxi, để ngăn các dung dịch tráng phim khỏi oxi hoá. Na2S còn làm chất tẩy trong công nghiệp in ấn, làm tác nhân khử clo và lưu huỳnh, và trong nghề da để sulfit hoá các sản phẩm thuộc da.
Trong sản xuất hóa chất, Na2S được dùng làm tác nhân tạo gốc sulfometyk và sulfonat. Bên cạnh đó, Na2S cũng được dùng trong sản xuất hoá chất cao su, thuốc nhuộm sulfua và các hợp chất hoá học khác.
Na2S – Đá Thối được ứng dụng trong ngành nghề :
Dệt Nhuộm, Thuộc Da, Giấy, Luyện Kim, Cao Su, In ấn …
Để đáp ứng nhu cầu cần mua Đá Thối số lượng lớn phục vụ trong các ngành công nghiệp dệt, nhuộm, thuộc da, giấy,luyện kim,cao su,in ấn…. công ty xuất nhập khẩu hóa chất ….. chúng tôi đã và đang bán buôn Đá Thối – Sodium Sulfide (Na2S ) trên toàn quốc
Xuất xứ: Trung Quốc
Quy cách: Bao
Trọng lượng: 25kg/bao
Giá: Liên hệ
Mã: HA20
2. Tại sao bạn nên mua hóa chất của chúng tôi.
Chúng tôi là công ty chuyên xuất nhập khẩu và phân phối hóa chất vậy nên giá cả quý khách hàng sẽ được chiết khấu cao nhất.
Với số lượng kho lớn ở trên nhiều tỉnh thành, dễ đàng vận chuyển cho quý khách.
3. …… cung cấp Đá Thối (Na2S) cũng như hóa chất đi những đâu.
Với hệ thống vận tải luôn sẵn sàng và chủ động …… phân phối hóa chất tại tất cả các tỉnh thành trên toàn quốc. Với tiêu chí dù bạn ở đâu chúng tôi cũng sẽ giao hàng đúng địa điểm đúng hẹn.
Danh sách tỉnh thành chúng tôi phân phối hóa chất : An Giang , Bà Rịa – Vũng Tàu , Bắc Giang ,Bắc Kạn ,Bạc Liêu, Bắc Ninh, Bến Tre, Bình Định, Bình Dương, Bình Phước, Bình Thuận, Cà Mau, Cao Bằng, Đắk Lắk, Đắk Nông, Điện Biên, Đồng Nai, Đồng Tháp, Gia Lai ,Hà Giang ,Hà Nam ,Hà Tĩnh ,Hải Dương, Hậu Giang, Hòa Bình ,Hưng Yên, Khánh Hòa, Kiên Giang, Kon Tum, Lai Châu, Lâm Đồng, Lạng Sơn, Lào Cai, Long An, Nam Định, Nghệ An, Ninh Bình ,Ninh Thuận, Phú Thọ ,Quảng Bình ,Quảng Nam, Quảng Ngãi ,Quảng Ninh, Quảng Trị ,Sóc Trăng, Sơn La, Tây Ninh, Thái Bình ,Thái Nguyên, Thanh Hóa ,Thừa Thiên Huế, Tiền Giang, Trà Vinh, Tuyên Quang, Vĩnh Long ,Vĩnh Phúc ,Yên Bái ,Phú Yên ,Cần Thơ ,Đà Nẵng ,Hải Phòng, Hà Nội, Thành Phố Hồ Chí Minh
Liên Hệ : (SDT……..)
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1) mua Đá Thối tinh khiết Initially when he left Hong Tu Su, Su Hong Capacitor kneeling on the ground pleading miserable, crying out loud, he indifference cold, feeling no little emotion. But today, the stars just because they saw the Red Bowl and Department peaking capacitor based in one place, only because To Hong Capacitor hands pulling arm peaked department, he felt chest distress, even breathing began become difficult? Cleaning iris Twelve co wedged again, in black eyeholes out thick darkness, staring Department To Hong Capacitor peaked and unblinking. 2) giá Đá Thối công nghiệp “Unfortunately, lacking a little bit like that.” Delicate eyebrows slightly twisted To Hong Tu, face hatred unfortunately, could not help muttering whispered. Hearing that, the Department peaked surprisingly quickly turned around to look Suzhou Hong Capacitor. Candlelight pale, iris color of lapis lazuli peaked Department sparkling like starlight falling occupancy tents, other eyes black as midnight, profound stillness, as the cause of the people, like to explore research something, reveal spearhead staring at Su Hong Capacitor. 3) làm Na2S “You … do not you with him … To Hong Tu, you tell the truth? You really do not feel Cleaning Twelve dead, very unfortunate? ” Now say this sentence, irises sharp as knives still staring at the Suzhou Hong Capacitors, like just afraid to look really small mistake evolution ever in her face. “Why not a pity? I think you can capital an executioner stabbed him! Who knew you … Geez, appears to have a relatively sophisticated thy only dangerous, actually looks pretty without it! ” 4) bán Sodium Sulfide uy tín To Hong Capacitor said without hesitation, and also do not forget to blow your nose peaked Department belittled, ridiculed. Department of capital anger peaked, he can not terminate an executioner Cleaning Twelve, in fact, they must blame To Hong Capacitor. Candidates billion between high cabinets, a glass wrong, a thousand miles away, Suzhou Hong Capacitor clear to Defense Twelve want to cut his meat, Cleaning Twelve rooms were soon to be married to his life, why so easy? 5) cung cấp Đá Thối giá rẻ Do not know why, do not anger peaked Department. Not only did he not angry, reverse engineering was meticulous observation of Suzhou Hong Capacitor attitude, determined she was not lying, especially after the confirmation of her coldness iris without any attachment Twelve Ve , which upset lap immediately alleviate pain no less. Looking at her appearance, she was not like … 6) nhập khẩu Đá Thối It turned out he was wrong, then do not like the Su Hong Tu Ve Twelve. Such thinking, sentiments Department suddenly peaked unusually good, even if he himself was not revealed, his lips unconsciously any knowledge that twisted up airy laugh. This smile dissolved and bitter cold on his face, like the snow started melting on the lake forming each round blinding waves, flecked, light gentle four sides. 7) sản xuất Đá Thối “Yes, I find this a little … What, for you.” Peaking facility like remembering something, suddenly bowed, hands rummaging in people at once, find a small white bottle of milk, put average for Hong Su Tu. To Hong Capacitor frowned, looked confused for peaking Department. Suspension some land have only up side of Suzhou Hong Capacitor: “This is the jewel of high body, to illuminate you on the arm wound, applied three times a day, the longest three months, the wound can perfectly well up much.” 8) nhà cung cấp Đá Thối Listen Dat Dinh Department says so, Su Hong Capacitor amazement, inside not from the past flashed in amazement. Apparently peaked Department said she was not whom? If she is not human, of course wound without anointing drug, is used little magic can heal. This peaking facility, not perhaps mind is damaged, memory problems, knows she is loved, and gave her drugs for human use. 9) nhu cầu Đá Thối The drug used in humans but there is no room on the user lovers. To Hong Capacitor capital needed to say no, but Ve Twelve stood beside her, more eyes watching her Ve Twelve very quaint. To Hong Capacitors do not want to see her and Twelve Ve Dat Dinh Department of disputes, should not speak. Department peaking put potion for To Hong Tu, Su Hong Capacitor find just stood, motionless, as no little considerate to handle his wounds, peaking Department furrowed frown, did not say two words move forward before grabbing arm To Hong Capacitor. 10) ở đâu bán Sodium Sulfide Cleaning Twelve countenance quickly fall down, irises quick glance profound sorrow light. Dat Dinh Department lifted the sleeve of Suzhou Hong Capacitor up, pour a little out of hand plasters, open palms painted plasters disorders injured right hand of Suzhou Hong Capacitor. 11) bán buôn Na2S Immediately inside the Department peaked Rises pale joy, joy to the world aggression, he does not hurry up even level and prepare. Wait Until he knows, he just smiled back, his hand suddenly vì To Hong capacitor ointment stopped in mid-air. Department amazement peaked Looked To Hong capacitor, for a moment, as crystal irises flashed through unconscious Profound, Amazed, shocked, startled, a lot of emotion involved Himself thậm he hardly big bright. 12) phân phối Đá Thối Had never Dinh Department dat love to laugh. In fact, since the non-travel Thuc, he never smiled. But he laughed to ease today. Department unblinking look in the mirror peaked hanging brass headboard To Hong capacitor. Reflected in the mirror body HIS face, cheeks flushed glimpse color, softly curved lips, eyelids black gloom as crystal tender on the lower body and CONCENTRATED scatter joy and feast pale and Injured. 13) đại lý Đá Thối Look in the mirror peaked Department, iris suddenly sadly, Quickly pulled back his hand, rotate to another person, do not look anymore To Hong capacitor. To Hong capacitor Amazed at photographing, photographing just see behind softly trembling, suddenly Agitated like something, the whole body is stretched out under tightly. Do not know what the reason, this time, Su Hong Capacitors do not try to discover the inner peaked Department. 14) Na2S bán ở đâu Truly in my heart’s Department of Natural peaked at war, do not panic stop, Eventually he conscious, like I Love To Hong capacitor action. But how can this? He only said Su Hong capacitor short half days. Much more, it is clear he có Had Warned the her earlier, this life Will not offer absolute heart for any daughter does. 15) hóa chất Đá Thối mua ở đâu Childhood Department peaked unlike ordinary people, the first ten years of happy cheerful *, check out favored, but ten years later, since the non-Shu fled with HIM, HIS time unfortunately have passed using abyss of apprehended, hell on earth to visualize. Original: Spring style 春风得意 prime standard (as the open road). Area: After parking Ph.D., rode in the spring, just one day has panoramic view down the east of Chang’an. 16) Sodium Sulfide là gì Sometimes he would get his mad father, ran to his royal grabbed him, taking two bloody eyeballs frenzied and passionate love filled cloudiness có stared at him. Staring and staring, his father begin sẽ mad, or toys thrown disorder, or crying bitterly, even level, his father was thể lay hands hit him. There Came A Few times, if not avoid peaking Faster Department, he is extremely capable of living the father of the her father was beaten to death. 17) Đá Thối giá bao nhiêu Department inert eyes peaked HIS HIS father loved a Delusion vì, vì frenzied hatred, so, so long ago Had he said to Himself, his whole life is absolutely not be any public Asked daughter. He absolutely can not have one just like his father trở day he was. But the Department of dynamic peaking capacitor To Hong vd pleased with eyes. 18) Đá Thối bao nhiêu tiền Apparently he saw Su Hong capacitor eyes at him like his father Shu non-visual, frigid cold without any feelings, but he was pleased with the still dynamic To Hong capacitor. This feeling does not bring sweet and nice little hearts yet peaked on lap Department. Only fear, fear, panic and feverishly flocking to. No, he can not like anybody. He absolutely could not change his father like that, absolutely not. 19) Na2S có tác dụng gì Department peaked mind was chaos, nor twisted, still put his back to the Su Hong Tu, suddenly said goodbye to the her: “Farming was no longer early hour, it was getting dark, Su lady nothing if another report from the Department of surgery! ” Said peaking facility and ice, nor wait for answers To Hong Capacitors, like behind something after him, pushed open the door, tall body fleeting romantic tuấn gone back hallway. 20) Đá Thối dùng để làm gì To Hong capacitor surprise, involuntary eye shadowing Went so far peaked chase Department. What happened to him? His last appearance Looked like somebody hit him a right aggressive. Just listen to a few hours huddled in little waves splash up huge waves of foam, some good sword used the Clean Twelve sink straight to the bottom of the water. Some popular dishes sinking sinking floating black shirt, according to river water goes straight ahead, turning into small black spots not visible. 21) giá Đá Thối nhập khẩu Twelve inert defense To Hong Capacitor eye throw them into the water, his chest ached suddenly, a hand suddenly hid the wound. Thanh Ngoc hospital stood in the doorway, her eyes never left the Guard Twelve a moment. Just see Cleaning Twelve countenance livid, cover tightly wound right in the chest, left hand holding the right falls, cold air spread out around the body of people. 22) bán Sodium Sulfide giá tốt Thanh Ngoc first astonished, in which she looked at eye level Ve Su Hong Capacitor Twelve face looked okay, cold countenance, at a glance, like little magnets ever stabbed trees Thanh Ngoc , stir the liver to the heart of her guts, organs soreness government vehemently continent. This was never there … In the eyes Thanh Ngoc, despite what happened, even though it collapsed burying ground, permanently Cleaning Twelve changing, tight spacing and fine sediments. 23) mua Đá Thối ở đâu Thanh Ngoc never seen Cleaning Twelve inner reveal his true feelings in front of others? Shogun, she was saying was right, not early anymore, he still should be about the same Thanh Ngoc, of the relationship, he needs his chest wound treated quickly Thanh Ngoc mind the chaos looming, even forgot to Su Hong Capacitor hatred, mental focus just want to quickly put Ve Twelve leave this place. 24) địa chỉ mua Đá Thối Previously she had never felt like that, she’s Cleaning Twelve distant way, as far as the brightest star in the sky can only look, not touch coming back, no matter how she admired, loved passionately him how, he does not belong to her forever. Days ago, Ve Su Hong Mai Twelve and very intimate, not, to say that he intimate with someone Suzhou Hong Mai, but never Thanh Ngoc born again feels like today.