日韩桃色精品,AV日韩网,国产女人精品免费网站,射久久久久久久,超碰97在线直播,思思热999re,久久大香蕉在线视频,国产视频九色在线,在线极品国产精品专区

化學(xué)配方數(shù)據(jù)庫(kù)
配方類型: PHOTOGRAPHY
配方說(shuō)明: Stayflat Photographic Film
配方組成: Carbolic Acid/6 drops
Gelatin/3 oz.
Water/To make 32 oz.
Glycerin/3 oz.
配制方法: The gelatin and glycerin are mixed with 24 oz. of cool water and allowed to stand at room temperature for 30 minutes before heating to 120F. until the gelatine dissolves. The acid and remaining water to make 32 oz. of solution ar then added. The mixture should be applied to the glass or metal (aluminum) support at a temperature of 90F. and the coated surface allowed to set for about 24 hours to congeal and condition the gelatin.

返回?cái)?shù)據(jù)庫(kù)查詢
QQ: 2241752642
微信二維碼
電話: 19906633110
开江县| 亳州市| 桃江县| 都安| 许昌市| 四会市| 日土县| 枞阳县| 麻江县| 宽城| 镶黄旗| 广平县| 崇礼县| 五峰| 新竹县| 锡林郭勒盟| 江孜县| 古浪县| 轮台县| 秦安县| 云梦县| 会昌县| 襄汾县| 徐水县| 徐闻县| 沛县| 延庆县| 西充县| 赣榆县| 府谷县| 邛崃市| 阿荣旗| 韶山市| 丽水市| 塘沽区| 即墨市| 威海市| 屏东县| 崇义县| 富平县| 邵阳市|