又白又嫩毛又多15P,成全高清视频免费观看动漫版,已婚丰满少妇21p,无码丰满少妇2在线观看

無(wú)水乙酸銨

無(wú)水乙酸銨

  • 化學(xué)名:乙酸銨
  • 分子式:CH3COONH4
  • 分子量:77.08
  • CAS: 631-61-8
  • 性狀:無(wú)色或白色易易吸潮結晶,溶于水,微溶于丙酮和乙醇。水溶液顯中性。
  • 用途:用作分析試劑、肉類(lèi)防腐劑,也用作制藥等。
  • 包裝:內襯聚乙烯塑料袋,外套復合塑料編織袋包裝,每袋凈重25kg。
  • 貯存與運輸:貯存在通風(fēng)清潔庫房中,裝載運輸時(shí)要輕裝輕放,防止破損,防止受潮、受熱,與有毒物品隔離。
質(zhì)量指標Specification試劑級(GB/T 1292-2008)
優(yōu)級純分析純化學(xué)純
含量(CH3COONH4),w/%         ≥Content(CH3COONH4),w/%            ≥98.098.097.0
pH值(50g/L,25℃)  pH value(50g/L,25℃)6.7-7.36.5-7.56.5-7.5
澄清度實(shí)驗/號                   ≤Clarity Test/No                       ≤235
水不溶物,w/%                  ≤Insoluble Substances,w/%            ≤0.0020.0050.01
灼燒殘渣(以硫酸鹽計),w/%      ≤Ignition Residue, w/%                 ≤0.0050.0050.01
水分(H2O),w/%                ≤Moisture ,w/%                        ≤2.0———————
氯化物(Cl),w/%                 ≤Chlorides (Cl),w/%                    ≤0.00050.00050.001
硫酸鹽(SO4),w/%              ≤Sulfates(SO4),w/%                    ≤0.0010.0020.005
硝酸鹽(NO3),w/%               ≤Nitrates(NO3),w/%                     ≤0.0010.001———
磷酸鹽(PO4),w/%              ≤Phosphates (PO4),w/%                ≤0.00030.0005———
鎂(Mg),w/%                    ≤Magnesium (Mg),mg/kg                ≤0.00020.00040.001
鈣(Ca),w/%                     ≤Calcium(Ca),w/%                     ≤0.00050.0010.002
鐵(Fe),w/%                     ≤Iron (Fe), w/%                        ≤0.00020.00050.001
重金屬(以Pb計),w/%            ≤Heavy metals (Pb). w/%              ≤0.00020.00050.001
還原高錳酸鉀物質(zhì)(以O計),w/%   ≤Reduction of Potassium Permanganate,w/% ≤0.00160.00320.0032
width=

1、Chemical Name: Ammonium Acetate

2、Molecular Formula: CH3COONH4

3、Molecular Weight: 77.08

4、CAS: 631-61-8

5、Character: It occurs as white triangular crystal with acetic acid smell. It's soluble in water and ethanol,    insoluble in acetone.

6、Usage: It's used as analytical reagent, preservative for meat and also used in pharmacy.

7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer

layer. The net weight of each bag is 25kg.

8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and

moisture during transportation,unloaded with care so as to avoid damage.Furthermore, it must be stored

separately from poisonous substances.